# persmatematik

Tid Innlegg
2020-06-15 19:51 Top 10.223

herfra Radius R = 37AB = CD = X = 1.2360679775Y = ϕ = 1.61803398875 NEWY = ϕ = 1.61803398875Angle APC = X = 100°Ratio AB / BC = 3 / 4BDO = X = 20°Ratio Green / Orange = ϕArea ABD = 6.42857142857

2020-06-12 18:07 Top 10.222

herfra Line Segment DE = X = 8Area ABC = 26.5329983228

2020-06-11 06:05 Top 10.221

Square BDEF = 144 / 49

2020-06-09 15:29 Top 10.220

herfra Shaded Fraction = 20 / 49 = 0.408163265306ACD = θ = 10°Area of Rectangle ABCD = 7Area of ABCD = 7 (Scalable)Green Area = 28.2743338823X = AE = BC = DE = 3

2020-06-07 21:48 Top 10.219

herfra CD = X = 15Green = 19.6349540849Area Blue / Area Green = 1

2020-06-06 04:16 Top 10.218

Area of Square ABCD = 64

2020-06-06 03:36 Top 10.217

Angle NDP = 45°Ratio = 0.862068965517DF = 2.37170824513Orange = 166.276877527X = EF = 3.46410161514X = PS = 2.76090563295X = PS = 0.362199992663Angle AED = 150°Green Area = 9Shaded = 12.5663706144ABM = X = 105°

2020-06-04 06:24 Top 10.216

Mauve / Orange = 0.285714285714X = DCE = 24.2951889454°X = 12. Orange = 600 / 13Blue Area = 4.71238898038Shaded Area = 16 / 3CF = 8 ⇒ Red Area = 16AB = 2R = 49.193495505Mauve / Green = 4 / 5Shaded Area = 30Mauve Triangle = 36

2020-06-02 05:10 Top 10.215

Blue / Green = 1 / 4 = 0.25Shaded Fraction = 14 / 25Shaded Area = 21.9911485751Segment AB = X = 8Proof WITH TrigonometrySegment BF = X = 8CO = X = 1 / ( sin α + 1 )Blue Area = 339 / 2Blue Area = 53Orange Area = 30

2020-05-30 09:12 Top 10.214

herfra s = 9 ⇒ BF = ss = 9 ⇒ Angle DFE = 45°Blue / Total = 0.233215843356

2020-05-29 07:50 Top 10.213

herfra Mauve Area = X = 25|OP| = 1.15470053838a = 3 ⇒ Mauve = 2.6507DAE = 30° ⇒ s = AB = 40s = AB = 40Area of ABCD = 36

2020-05-26 11:15 Top 10.212

herfra 2 ( x - 1 ) ^ 2 = 5L = Ø: There is no Solution!Red Area = 18Red Area = 18 NEW

2020-05-24 07:23 Top 10.211

Missing Angle CBF = 30°

2020-05-22 20:23 Top 10.210

herfra CD = X = 10.3923048454α = 15°, β = 75°Green / Blue = 1 / 4 = 0.25ACD = ???

2020-05-21 11:44 Top 10.209

herfra R₁ = 1 ⇒ Area of Triangle ABC = 6Angle ACD = Z = 33°Larger Diameter AB = 5X = tan ACP = 6 / 17Ratio₁ = 0.846153846154Shaded Fraction = 2 / 3

2020-05-20 08:27 Top 10.208

herfra X = 7.12132034356BE = X = 4.18330013267AOB = 32.2309526355°Angle DAF = X = 27°Orange Area = 36s = 8 ⇒ FH = 5 ⇒ Green = 32Angle PST = 90°Shaded Area = ???

2020-05-17 19:23 Top 10.207

herfra Shaded Fraction = 0.585786437627DE = X = 1.5472158587

2020-05-16 22:38 Top 10.206

herfra ABCF = 13.0247031736Angle ADC = X = 30°Line Segment DE = X = 14

2020-05-16 21:55 Top 10.205

Line Segment DP = X = 4Mauve Area = 5Shaded Area = 120Shaded Fraction = 8 / 13Blue / ABC = 0.32 = 8 / 25AE = X = 8.42614977318Orange = 121.5 = 243 / 2Arc ( MN ) = 1.57079632679Ratio a / b = 1 / 2 = 0.5Angle ADB = X = 6 β = 90°

2020-05-12 17:12 Top 10.204

herfra Shaded Fraction = 0.14589803375q ⋅ a² / ( p ⋅ b² ) = 1

2020-05-10 16:19 Top 10.203

Angle BAH = X = 18°

2020-05-09 17:08 Top 10.202

herfra Same Perimeter. Blue Area - Red Area = ???X / Y = √2 = 1.41421356237|AD|² + |BC|² = |BD|² + |CD|²Line Segment EF = 11.9Easy Way: R = 10.0445753479R = 10.0445753479ABC = X = 162°Shaded Fraction = 6 / 13

2020-05-07 15:14 Top 10.201

herfra Proof: a² + b² = c²Proof: a² + b² = x² + y²Ratio = a / b = 1Green Area = 24

2020-05-05 11:25 Top 10.200

herfra Green / Blue = 4 / 5 = 0.8ACB = 30.7258345883°Line Segment MN = 9Line Segment AC = X = 9Mauve / Green = 2

2020-05-03 20:16 Top 10.199

herfra a² = b ⋅ c ⇒ BCD = β = 30°Purple N-gonsDAE = ADE = EDO = 50°Shaded Fraction = 13 / 18

2020-04-30 16:24 Top 10.198

ABD = X = 20°

2020-04-28 20:44 Top 10.197

herfra GreenArea = 14.1371669412Angle ABP = Angle CBPRed Area = 13

2020-04-27 09:36 Top 10.196

herfra Angle CAK = X = 40°GBJ = X = 18°

2020-04-25 22:45 Top 10.195

herfra Angle EPT = 150°Angle CBD = X = 10°Green / Mauve = 0.535898384862Area of Square = 3.82287565553

2020-04-24 08:59 Top 10.194

herfra P = O ⇒ BOC = 120°Area = 2. Perimeter = 6.82842712475Total Area = 15.7079632679Blue Fraction = 1 / 12 = 0.0833333333333Mauve Area = 28Red Area = 95.0331777711

2020-04-22 05:32 Top 10.193

herfra R = 2.5 ⇒ Shaded Area = 14BC / AB = 1.73205080757Shaded Fraction = 0.888888888889Shaded Fraction = 13 / 27

2020-04-19 22:18 Top 10.192

s = x = 3.88057000058

2020-04-17 21:13 Top 10.191

Angle BAD = X = 10°

2020-04-17 20:34 Top 10.190

Orange Area / Mauve Area = 3Area of Semicircle = 37.6991118431BD = X = 2.74397736228Green Area = 24.248711306Radius R = 6.26086956522Shaded Area = 37Area ABC = 28.8087332479Red Area = 276Angle CFD = X = 100°Line Segment CD = X = 4.5

2020-04-16 06:43 Top 10.189

Area of Red Square = ???Area of Red Square = 0.101020514434Area of Red Circle = 2Red Area = 4 π = 12.5663706144R = 6 ⇒ Shaded Area = 36Angle BOC = 90°Angle BHG = X = 60°Orange Area = 22.5166604984Angle ADF = 18.4349488229 °Area of Orange Square: 102

2020-04-12 22:07 Top 10-188

herfra R₁ / R₂ = 658918622598Angle BOC = 120°

2020-04-12 04:57 Top 10.187

Shaded Area = 4.87580566599Angle ADC = 24°Angle CAE = X = 15°Shaded Fraction = 1 / 32 Green = 47.1997635012Shaded Fraction = 5 / 57AC = 2R = 14.6969384567Shaded Area = 75 / 2 = 37.5Angle BAG = X = 12°Side Length S = 2

2020-04-09 07:09 Top 10.186

herfra Orange Area = 23.313708499Blue Area = 54 / 5 = 10.8

2020-04-09 06:27 Top 10.185

ACB = X = 25.7142857143 °Mauve fraction = 1 / 10Green Area = 3.46410161514Angle BAC = 45°EPF = 128.793976887Blue = Red = Orange = ???Total Area of Square = 272Blue Area = 2.23611165369Circle Area = 267.035375555DE = ( a + b ) / 2 = R

2020-04-06 08:10 Top 10.184

herfra R₁ / R = 0.57735026919Orange Area = 7.86207548082Scalable version: Red Area = 4 ( Green Area )Proof: a ^ 2 = b ^ 2 + c ^ 2X / Y = 1 / 4 = 0.25Rhombus. Angle AED = 110°BE = 7.21110255093

2020-04-03 16:08 Top 10.183

herfra s = ( 2 + 4 ) ⇒ BF = d = 10CD = X = 9.79795897113Proof : c / ( a + b ) = 1 / 1 = 1Line Segment AC = 40FK / AB = 3 / 2 = 1.5DAE / CAL = 3 / 2 = 1.5

2020-04-01 19:03 Top 10.182

herfra Magenta Area = 32BD = X = 1.41421356237Radius R = 0.913700503496Line Segment AC = X = 6BFE is always > CDFAngle AMB = 45°

2020-03-30 11:28 Top 10.181

herfra Angle CFE = X = 30°BCD = X = 10Shaded = 63.3982236862Green = 7 ⇒ Red = 7Angle BHF = 30°Angle CAF = 30°Ratio AD / CD = 1 /2 = 0.5Green Area = 80

2020-03-28 15:20 Top 10.180

herfra Shaded Fraction = 1 / 2 = 0.5Area of Square = 32.6619037897Blue Fraction = 0.101456854889AC / AE = 3CD = X = 4Mauve Fraction = 3 / 4 = 0.75Red Area = 42.25

2020-03-26 17:55 Top 10.179

herfra CED = α = 60.323766969Line Segment GF = 25CBO = 90° ⇒ BAC = X = 30°AP = AB = 1.73205080757Angle AHC = 240°

2020-03-23 15:37 Top 10.178

herfra Blue / Red = 3.42705098312Green Area = X = 49Perimeter = 41.2274522257Limits: BOK → π / 2 ⇒ AO / AB → 1Orange Area = 2

2020-03-21 20:16 Top 10.177

herfra Total Area = 1162.38928183Orange Fraction = 1 / 2 = 0.5Angle ATE = 105°Blue Area = 225 / 2 = 112.5Fraction = 1 / 100 = 0.01X = 90.0776333215

2020-03-21 19:30 Top 10.176

Blue / Red = 0.892925384343Orange / Blue = 1Orange - 3 Green = 32Green - Red = 9.77384381117AB = X = 10Angle ABC = 70°Side s = 2.14142842854Angle EDF = X = 30°Orange Area = π = 3.14159265359Shaded Fraction = 3 / 4 = 0.75

2020-03-18 03:34 Top 10.175

herfraShaded Fraction = ???Radius X = ab / ( b + 2a )

2020-03-16 05:45 Top 10.174

herfra FCG = X = 72°(Orange + Green) / Total = 0.653002840569(Orange + Green) / Total = ?Shaded Fraction = 0.391002218956Dotted Length = π = 3.14Mauve Area = 3.14159265359Angle ABC = 7.5°

2020-03-13 10:40 Top 10.173

herfra Regular Unit 4n-gonsOrange Area = Blue Area

2020-03-12 13:52 Top 10.172

herfra Shaded Fraction = 1 / 2 = 0.5Shaded Area = 2 ( 4 Squares in a Circle )Orange Area / Mauve Area = 1.30901699437Angle ADT = X = 15°FP = X = 10Green / Red = 5 / 2 = 2.5Shaded Fraction = 3 / 16Orange Area = 9Orange Area = ??? ( Scalable )X = ϕ = 1.61803398875

2020-03-10 06:54 Top 10.171

herfraShaded Fraction = 8 / 75Green Area = 24AC = X = 12.6491106407X = DE = 10.1980390272csc DOB = 1.61803398875There are many Solutions: X / Y = ???Ratio = 1.19577393482CD = X = 40CD = X = 38.1837661841

2020-03-08 04:39 Top 10.170

herfra FG = X = 0.317837245196Green Fraction = 4 / 9Angle AEC = X = 135°Green Area = 288X = 4.35889894354 NEW

2020-03-06 06:56 Top 10.169

herfra Radius R = 3.53553390593Shaded Fraction = 4 / 9Angle BEC = 90°Shaded Fraction = 1 / 10Orange Area = 48

2020-03-03 09:41 Top 10.168

BMC = X = 83°

2020-03-02 06:35 Top 10.167

herfra Area of Orange Rectangle = 25Orange / Mauve = 1.86602540378Line Segment AD = X = ???Angle FEM = 90°Blue Area = 1.68916193043Blue Area = 0.344583797374Angle BAC = 18°( Blue + Red ) / Total = 0.393347231819ABCE = | AD | ² = 144

2020-03-01 17:44 Top 10.166

Red R₁ / Blue R₂ = 8Red Area = 27Red Area = 81.203384994Green Area = 16.7551608191Angle EGH = X = 15°Red Area = 100R = ϕ = 1.61803398875Total Area = 29 / 2 = 14.5Red Area = 15.0262794416DE - BD = 3

2020-02-27 09:46 Top 10.165

Angle AMB = 105°

2020-02-25 17:57 Top 10.164

herfra Red Area / Total Area = 1 / 8Fraction = 0.411764705882

2020-02-24 18:50 Top 10.163

herfra Red Area = 18.8495559215Ratio₁ = ϕ, Ratio₂ = 1 + ϕAngle BHG = X = 120°Angle AHB = 45°Ratio = 0.343145750508Fraction = 3 / 4 = 0.75a = 1.46968503133

2020-02-24 17:50 Top 10.162

Orange Fraction = 1 / 7Area of Square = 20COT = 20.1462670152Inradius R = 2X = EG = 5Orange = 113.097335529Green Area = 12Fraction of Rhombus = ?X = BK = 0.8 = 4 / 5Rectangle / Square = sqrt 3

2020-02-21 17:44 Top 10.161

herfra Shaded Area = 31.1769145362Angle BGC = 105°Orange Area = 0.433012701892Angle BAC = α = 15°Red Line = 3.14159265359Q ₁ = √ 2, Q ₂ = 1 / 8X = BC = EN = 3DI = AB √2 = 7.36325122024Circle, Semicircle, Equilateral

2020-02-19 08:42 Top 10.160

herfra Orange Area = 78Red Area = 0.928932188132Many Circles in a ParabolaRectangle in Isosceles TriangleArea of AOBP = 24Distance ( M , N ) = 2 R = 3Radius R = 0.643337492406DEF / B = 0.85071655202

2020-02-18 20:26 Top 10.159

Larger Diameter DL = ?DG = 0.866025403784DH = X = 6 and R = 11,5DH = X = 6 and R = 12a / b = 0.786319415174Area of Blue Triangle = 14Rectangle in Isosceles TriangleAngle ABC = 54°New New NewBlue Area = 2.61803398875P = 15, Fraction = 7 / 24

2020-02-14 20:45 Top 10.158

herfra Blue Area = 1.30901699437Blue Area = 9Radius c = 0.618033988751Radius R = 0.732050807569

2020-02-13 10:27 Top 10.157

herfra X = ϕ = 1.61803398875Red / Blue = 3.88724603623Fraction = 2 / 3DE / EF = 0.732050807569AGF = 135°

2020-02-10 21:22 Top 10.156

herfra Total Area = 72

2020-02-10 06:31 Top 10.155

BAC = X = 20°Green Fraction = 1 / 22 = 0.0454545454545CAD = X = 28°Ptolemy's theoremX = 15°R₂ = 1.85410196625Siden S = 8, Radius R = 5Angle ACE = X = 60°ACB = X = 18°R₁ = 0.912877922279

2020-02-09 05:17 Top 10.154

herfra Side X = 2.64575131106Side X = 2.64575131106Max ( ABD ) = 22.619864948Shaded Area = 9CED = X = 30°Blue Area 0.871111111111 = 196 /225Angle BAC = 20°Red Area = 15Blue Area = x² = 9BD = X = 2.36493328666

2020-02-05 20:15 Top 10.153

BD = X = 19 / 6BE = X = 2.82842712475Radius R = 13.5Proof: ( a² + b² ) / c² = 1Total Area = 3s² = 936Orange Radius 1 / 6X = 0.210526315789Line Segment OM = ???R = 0.732050807569Ratio R₁ / R = 0.56066017178

2020-02-04 13:40 Top 10.152

Area of Larger Triangle = 75Ratio a / b = 2BAD = X = 40°Shaded Fraction = 9 / 16CBD = X = 30°CFD = X = 48°f ( x ) = CH = 0.42264973081AE = 12.6491106407BC = X = 13Angle CBD = 40°

2020-02-03 17:03 Top 10.151

Equilateral: Angle AKB = 150 °Not Equilateral: AKB = 127.975687163°Angle CAD = 40°Red / ( Blue + Green ) = 1 / 9Circle in Triangle in Ellipse9 Circles and 2 TrianglesRadius R = 3 / 8 = 0.375Sin HFJ = 0.343723769333 °Proof that CD = XOrange Area = 100Orange Fraction = 1 / 3

2020-01-31 03:15 Top 10.150

Total Area = 119.293505963Radius R = 0.714285714286DCF = 55.1898419258X = CE = 0.828427124746Green Area = 6.51701652069Ratio = 2.00760167491Line Segment CP = X = 1Angle GJH = α = 30°Ratio = 2.82842712475d = 1 ⇒ AFB = α = 90°

2020-01-29 12:31 Top 10.149

Ratio₁ = a / R = 4Angle ABD = α = 15°A ( ABCD ) = 2 X Y + Y ²Angle KML = 73.5°Max ( Orange / Green ) = ?Min ( Orange / Green ) = 0.177124344467Shaded / Total = 1 / 6BAC = 24.2951889453Green Area = 4Line Segment FO = 5

2020-01-27 06:43 Top 10.148

BCD = α = 22.5°Angle BPT = 71.5650511771( Red + Blue ) / Green = 1Perpendicular Tangents to a ParabolaAngle BAE = 60°Shaded Fraction = 7 / 30KP = X = ???Orange Area = 0.707106781178CDO / AOB = 1 / 2a = 1, c = ϕ = 1.61803398875

2020-01-24 21:42 Top 10.147

Shaded Area = 9Red Area = 8Red Radius = 6.3774612831AD = X = 16Angle AEB = θ = 135°Scale Factor X = 10BE = X = 4 / 5 = 0.8DM = X = 2BF = X = 13.8924439894Angle ADC = 135°

2020-01-24 09:51 Top 10.146

b / a = 0.732050807569BD = X = 6.92820323028X = ( sqrt ( a ² + b ² ) ) / 2Radius R = 18X = a ( sqrt 2 )Q ₁ = 1, Q ₂ = 1 / 2Min ( tan BTE + tan CTF ) = 0.632455532034Radius = 0.563943360123A / C = 0.570796326796BCD = 70°

2020-01-19 19:54 Top 10.145

Shaded Fraction = 1 / 4Shaded Area = 15.4159265359Shaded Area / Total Area = 1 / 3Green Area = 10.6028752059AB = X = 4.46410161514Blue Area = 36CE = X = 1.41421356237Circle Area = 161.006623496Circle Area = 166.50441064Mauve Area = 12f ( 4 ) = 9 / 5 = 1.8

2020-01-18 13:10 Top 10.144

herfraShaded Area = 56.7226890756Perimeter / Polygon Area = 1Ratio AF / BE = 1ADF = X = 30° ( SIMPLIFIED )Ratio AF / BE = 1Angle ADF = X = 30°ADF = X = 30° ( Easy Way )Orange Area = 6359.67963815Angle BAC = 60°

2020-01-17 11:19 Top 10.143

herfra Angle BTD = α = 30°β = 73.125° = ( 585 / 8 )°Line Segment AG = 6R = 10 / 3 = 3.33333333333CM = X = 9.6029110826Green Area = 5.40769818501Green Area = 6

2020-01-15 05:53 Top 10.142

herfra BEF = X = 64°AB = X = 3.46410161514Ratio b / a = 1 / 4 = 0.25Shaded Area = 27

2020-01-13 12:27 Top 10.141

herfra X = 1 / 2, Y = 1 / 4, Z = 1 / 8Blue Area / Red Area = 12Angle CMF = 45°Ratio a / b = 1BTM = X = 26.5650511771Shaded Area = 8s = ? and S = ? ( Improved )

2020-01-10 08:17 Top 10.140

herfra Orange Area = 2Angle ADB = X = 25°Area of Quadrilateral = 144X = ab / ( b + 2a )S = 17.6568542495

2020-01-07 21:51 Top 10.139

herfraShaded Fraction = 1 / 9

2020-01-07 20:33 Top 10.138

Angle PAT = 99°Red Fraction = 1 / 32Diagonal d = 20X = DE = 13.2664991614Green / Mauve = 1 / 8Red Area = 6X = 30 - α = 30 - BCD (NEW)X = 30 - α = 30 - BCD = ???AG = 5 / 3 ⇒ Red / Mauve = 5Angle ABD = 60°Orange Area = 300 NEWOrange Area = 300

2020-01-04 19:55 Top 10.137

herfra Area of Blue Square = 2.11619126041Line Segment CJ = 7Ratio = ( AD + AC ) / BD = 1Dark Green = ? ( Simplified )White - Green = 37.6991118431a / b = 3 / 2 = 1.5

2020-01-01 14:17 Top 10.136

herfra Orange Area = 39.5979797464M = ( M₁ ; M₂ )Blue Fraction = 0.221946773861Total Area = 15Shaded fraction = 1 / 4 = 0.25

2019-12-29 21:03 Top 10.135

herfra DAO = AOT = 30°Orange Area = 2.2360679775

2019-12-28 14:12 Top 10.134

herfra Angle AFC = 45°Red Area = 40.5 = 81 /2Orange Area = 361a / b = 1 / 9 = 0.111111111111HP = X = 13Product ab = 8420-80-80-Triangle !

2019-12-26 16:01 Top 10.133

herfra Triangle = 5.19615242271h = R₁ + R₂Min ( KL + BL ) = 15

2019-12-24 06:07 Top 10.132

herfra Perimeter of Triangle ABC = 22Orange Area = Blue Area = 24

2019-12-22 08:57 Top 10.131

herfra Line Segment CH = X = 3Red Area = 1.0778049313×10^(-14)Black Area / Red Area = 1 / 4Red Area = 30

2019-12-19 14:05 Top 10.130

Shaded Fraction = 1 / 2

2019-12-18 06:24 Top 10.129

herfra Angle GAP = 24

2019-12-17 07:30 Top 10.128

herfra Orange = 20 ⇒ Blue = 15Blue Area = 27.0783760577r = 3, R = 25Radius = 1.835856849095Radius = ? ( Formula )r = 1, R = 4.03112887415Angle BHJ = 150°

2019-12-14 22:53 Top 10.127

herfra Green Area / Red Area = 4Red Area / Blue Area = 1Fraction = 5.82842712475CAD = X = 25.7142857143Area of Triangle = 22Radius = 1.6049935249414

2019-12-13 08:03 Top 10.126

Orange Area = 49 / 2Orange Area = 6Shaded Fraction = 0.41452991453Time = 3Base KN = 3.46410161514DE = X = 7Red Area = 13Mauve Area = 108EG = X = 2.05314157066DE = K = 4

2019-12-10 05:54 Top 10.125

herfra R = 4 ⇒ X = LT = 4180 X = 72 ⇒ X = 2 / 5 = 0.4Shaded Area = 9 / 2 = 4.5Angle GOJ = 150°Orange Area = ( X ⋅ Y ) / 2

2019-12-05 18:21 Top 10.124

R = 13 ⇒ White Area = 210

2019-12-04 13:44 Top 10.123

herfra Orange Area Minimum = 1.94344653414S = 0.954188894139Angle AKB will always be 90°CD = X = 10

2019-12-01 15:30 Top 10.122

herfra Green Area = 8White Area = 48CD = X = 4

2019-11-29 17:33 Top 10.121

herfra Green Area = ?Line Segment DE = X = 7DE = X = 25.3172796156Line Segment DE = X = 5Shaded Fraction = 0.504410312262

2019-11-28 15:43 Top 10.120

herfra Ratio₁ = R / R₁ = 0.8 = 4 / 5Area of Square ABCD = 4R₂ / R₁ = 0.766437485383DP / PE = 1Min ( BC + CD ) = 40Line Segment CE = 25Black Area = 11Area of Triangle ABC = 2R = 1 / ϕ = 0.61803398875

2019-11-25 18:45 Top 10.119

herfra Red Area / Orange Area = 5 / 4Height = DH = 24Black Area = 4Red Area / Green Area = ?Area of Square = 24Ratio a : b : c = 2 : √ 3 : √ 3Orange Area = 1.0471975512Red Area / Black Area = 2 / 3Blue = Green = White = 5

2019-11-23 09:20 Top 10.118

herfra Blue Area = 1Blue Area = ?R / R₁ = 3, R / R₂ = 9 / 4a / c = 5 / 4, b / d = √ ( 2 )Line Segment AE = X = 3Ratio a / b = 2

2019-11-21 06:05 Top 10.117

herfra Angle AFD = 135°Area of Rectangle = ?Angle ABD = X = 100°

2019-11-19 03:50 Top 10.116

herfra Shaded Fraction = 0.270833333333Orange = 1.70110722462Perimeter = 2 ( W + H ) = 18Line Segment BC = 27.9284800875Shaded Fraction = 2 / 3

2019-11-17 08:56 Top 10.115

herfra BE = 10.2569390943Shaded Fraction = 1 / 2Shaded Fraction = 5 / 8Fraction = 3 / 16 = 0.1875Table = X = 150 cm.

2019-11-14 16:29 Top 10.114

herfra Line Segment DE = 1.8009313672Red / Green = 3.97181688456Shaded Fraction = 0.718820861678

2019-11-12 15:05 Top 10.113

herfra CM = X = 32 / 3Area of BCED = ØWhite Area = 6.16367930735Four Circles in a Semicircle !

2019-11-10 18:18 Top 10.112

herfra Side = X = 12Red Area / Mauve Area = 0.197530864198Shaded Area = 2.45673939722Blue Area = 16Fraction = 0.0714285714286

2019-11-08 10:40 Top 10.111

herfraRadius R₁ = 0.221975280907Angle BFE = X = 30°Radius R = 25DAE = 50° ⇒ AED = X = 70°Orange = 1055.57513161Orange Area / Black Area = 1

2019-11-07 09:59 Top 10.110

herfra Ratio = 0.349065850399Segment AB ( IMPROVED )AB / AC = 1.61803398875Shaded Area = 20CE = X = 6Circle Area = 145.298660228Circle Area = 18.8577911988

2019-11-04 06:29 Top 10.109

herfra Line Segment AC = X = 1a = 4 ⇒ t = 2.92820323028Red Area = Blue Area = X = 9Angle DFE = 45°Green Area / White Area = 0.3635702Area of Circles = 17.0461910932Angle ADB = X = 72°

2019-11-03 17:08 Top 10.108

herfra Segment AC = X = 6Incircle and ExcirclesBlue Area = 24E.T. = 15.58845726812 Circles, 3 SemicirclesANM = X = 20°Line Segment AB = ?Ratio a / b = 10 / 3Red Area = 20

2019-10-31 14:26 Top 10.107

herfra X = 5.33333333333 = 16 / 3Fraction = 0.892561983471

2019-10-29 19:15 Top 10.106

herfra Shaded Area = 50AF + EF = 20 ⇒ BK = 10Radius R = 1.52941176471

2019-10-27 05:58 Top 10.105

herfra AB = 6 ⇒ Blue Area = 15 / 4 = 3.75Soft Ice Theorem ( NEW )CAH / BAH = 1 / 2 ( NEW )Isosceles or Equilateral ?Blue Area ( ELABORATED )

2019-10-25 17:16 Top 10.104

herfra s = F₁ - E₁ = 1.07692307692Angle ABC = 54°Rmin = 5.65685424949 NEWEF = 1 + 5 + 1 = 7Green Area = 24n = 4 ⇒ Orange Fraction = 3 / 4BCO = X = 33°

2019-10-22 17:39 Top 10.103

herfra X = AC = 2R cos OACShaded Fraction = ½ACB = 60° ⇒ BAC = X = 30°

2019-10-21 13:54 Top 10.102

herfra Angle HUS = 60Red / Green = 1.16068360Angle AED = 90Shaded = 7.74264068712SF = 5 ⇒ Rectangle = 300X = 22°Red Fraction = 1 / 100

2019-10-18 20:20 Top 10.101

herfra Ratio = CH / R = 4X = DP = 3.79795897113Alpha = α = 27.8855668361Angle ABD = X = 85°AB / BC = 1.70710678119Angle ABF = 60Angle BCD = 80

2019-10-18 06:00 Top 10.100

X = DP = 3.44309222878X = DP = 2.1240722084KLN = 15 ⇒ KNL = 105Fraction = 0.154700538379Segment CO = 8.94427191X = GH = 7Max ( | AC | ) = ?X = AD = 1.2599210499X = AB = 6X = BP = 3Perimeter = 80

2019-10-15 20:08 Top 10.99

herfra Circle Area = 282.743338823CK = 2.82842712475Blue Area = 8C - B = 3 / 2 ⇒ Green = 1 / 8Area = 11780.972451Orange Area = 1Ratio = 1 : ϕ ² : ϕ ⁴Shaded = 23.6358901433Red Area = 1 / 4

2019-10-13 05:19 Top 10.98

herfra Circle Area = 49.1874582885Orange = 408.952386103Purple Area = 4

2019-10-10 19:08 Top 10.97

Herfra X = 1 ⇒ AEC = 90°Angle X = HKJ = 30°tan ACB = 4 / 3 = 1.33

2019-10-08 14:56 Top 10.96

herfra ( Opgave: BD = 5.74763557526 )Angle bBc = 30X = E₂ = 1.93548387097Angle X = BDO = 45X = B₂ = 6.7082039325Ratio ( R / GP ) = 1

2019-10-08 13:43 Top 10.95

Shaded = 8.9076898675Green Fraction = 1 / 17X = BF = ½Purple Fraction = ?Red Area = 21.9911485751Line Segment X = HJ = 1Fraction = 0.0182546676619X / Y = 2 / 3R / r = 6.63867121091Orange / Blue = 0.9330127

2019-10-04 12:14 Top 10.94

herfra Shaded Fraction = 1 / 3Green = Orange = 60R₁ : R₂ : R₃ = ?AB = 2 HP ⇒ β / α = 2Red Area = 27

2019-10-03 09:07 Top 10.93

herfra Area of Square = s² = 14Line Segment BX = 2.34146341463Shaded Area = 37Area ABCDE = ?

2019-10-01 02:31 Top 10.92

herfra Radius R = 0.414213562373α = Angle BAD = 75α = Angle ACB = 15Shaded Fraction = 0.226724920529α = 45°Soft Ice Theorem

2019-09-28 08:16 Top 10.91

herfra X₁ = 1 and X₂ = -1.13567Shaded Area in Terms of X

2019-09-27 04:57 Top 10.90

Shaded Fraction = 7 / 16BEC = 45° ⇒ X = BD = 6X = CAD = 40°S ² = 83.9473319221AC = 2 ⇒ Diameter AB = 14AC = 3 ⇒ R = 4.5Shaded Fraction = 1 / 4Blue Fraction = ?Coloured Fraction = 3 / 5X = CE = 6

2019-09-24 20:06 Top 10.89

herfra Angle DFE = 30Red Area - Orange Area = 36

2019-09-22 05:25 Top 10.88

herfra Ratio1 = BC / CD = 1Line Segment AF = 17

2019-09-20 10:40 Top 10.87

herfra R₁ = 1.26628129734Area ABCD = 15.0588235294Line Segment BK = 3Line Segment FJ = 7X = Angle FBM = 37.5

2019-09-16 20:48 Top 10.86

herfraBlue Fraction = 0.1185397

2019-09-15 18:09 Top 10.85

herfra Angle BAC = 46.4365266467Green - Red = 4.71238898Perimeter of Triangle = 80Red Fraction = 0.5649044Shaded Fraction = 1 / 2r = 1 ⇒ R = 2.41421356237

2019-09-12 16:23 Top 10.84

herfra Blue Area = 14.7404363833

2019-09-11 18:43 Top 10.83

herfra Radius R = 0.246999785505Radius R = 0.234435562925Red Area = ( x ² - y ² ) / 2S = R = EF = 45.1788715696

2019-09-09 11:53 Top 10.82

herfra Area T = m ⋅ n ⋅ cot ( B / 2 )Shaded Fraction = 1 / 18d + D = a + bS = 10 ⇒ Green Area = 1.227S = 10 ⇒ Violet Area = 43.98S = 10 ⇒ Red Area = 40Bad Puzzle !R₂ = 1.85410196625

2019-09-07 07:22 Top 10.81

herfra Orange Area = 0.1547S = 4 ⇒ R = sqrt ( 3 ) - 1S = 1 ⇒ s = 2 - sqrt ( 3 )Angle CMN = 90Grey Area = 6Proof: C = 2BX = AED = 28.7057143359

2019-09-03 20:00 Top 10.80

herfra Shaded Area = ?Proof: Red Area = Blue AreaShaded Fraction = 1 / 3Red Area / Blue Area = ?

2019-08-31 17:46 Top 10.79

herfra ABCD = DEFG = 72R = 1 ⇒ Shaded Area = 2How to rotate a Square 2

2019-08-29 21:36 Top 10.78

Herfra Radius R = 5.83095189485Area of Red Square = 8Segment KM = 1.3997084Radius R1 = 0.954915028

2019-08-28 22:02 Top 10.77

herfra Line Segment CE = 4Shaded Area = 10.280995Orange Area = 3BE = X = 6Large R / Tiny R = 3Area = ½ Baseline * HeightRadius R = 3Perimeter of ABC = 17

2019-08-28 21:09 Top 10.76

Shaded Fraction = 0.66047Angle ABE = Alpha = 40.20Area of Red Hexagon = 48Angle BCD = 10Coloured Fraction = 4 / 9Shaded Fraction = ?Red Area = 26Radius of Red Circle = ?Green Area = 15.5884573Angle DEF = X = 132

2019-08-24 05:26 Top 10.75

herfra Angle BAE = 75DG / DE = 0.61803398875Red Line Segment AF = 6Area of Square = 12Orange Area / Total Area = ?Area of ABCD = 9.45

2019-08-20 19:14 Top 10.74

Line Segment MN = 1.366

2019-08-20 18:19 Top 10.73

Orange Area / Blue Area = 5Blue Area = 8.22479634591Blue Area = 1.74092645491DEF = 27.795772496Orange Fraction = ?k = Area ABD / Area ACD = 8Angle ADB = 45Angle X = BAE = ?Red Fraction = 1 / 4CDE = 106.69, BCD = 111.38

2019-08-17 06:27 Top 10.72

White Fraction = 0.2968Green Fraction = 0.121320Line Segment FG = 20Orange Area = 6.2831853Blue Fraction of Square = ?Orange Area = Green AreaRatio R / s = 2.95679567896White Fraction = 0.384691Shaded Area = 0.3014355Red Area = 0.866025403784

2019-08-15 06:50 Top 10.71

Angle X = CAO = ?Orange Area = 6Line Segment CE = ?EG = FH = ?Shaded Fraction = 1 / 2Orange Area = ?Green Fraction = 0.243992H = Orthocenter, BC = 56Angle X = ADC = 80Angle X = BCD = 24

2019-08-12 03:08 Top 10.70

Red Area = ?Blue Area = 1 / 52 or 3 Circles in a TriangleWhite Fraction = ?Line Segment BG = ?Shaded Fraction = ?Area of Triangle ABC = ?Angle ABC = 45Shaded Fraction = ?Square, Shaded Area = 8

2019-08-09 18:51 Top 10.69

Orange Fraction = 4 / 7Orange Fraction = 2 / 5Green Fraction = 42 / 125Green Area = ?Area Purple / Area Total = ?Angle DFE = ? NEWOrange Area = ?Green Area = ?Angle BCD = ?Angle ABC = 2X = ?

2019-08-05 20:50 Top 10.68

Line Segment CD = ?Area of Square in Blue = ?Angle DFE = ?Blue Area = ?Spiral of TheodorusAngle X = EDH = ?Ratio h / w = ?Area Blue = X = 6Function fn (x) = x ^ n  Angle BPE = ?

2019-08-04 15:49 Top 10.67

Orange Area = ?White Fraction = ?Angle of Red Sector = ?Area of Square = ?Blue Area = ?Shaded Fraction = ?Green Area = ?Line Segment X = AB = ?3 Circles and 3 SemicirclesBlue Area = ?

2019-08-02 16:33 Top 10.66

Area of Triangle ABCD = ?Angle BHG = ?Three different AreasMathematical ProofAngle ADC = ?Shaded Fraction = ?Line Segment CT = ?Circular Sector angle Xi = ?BC = Diameter of SemicircleShaded Area = ?

2019-08-02 15:57 Top 10.65

Orange Fraction = ?Mathematical ProofShaded Fraction = ?Angle ACD = ?Height of Triangle = ?Line Segment BD = ?Shaded Fraction = ?Green Fraction = ?Blue Area = ?Purple Area = ?

2019-07-29 16:30 Top 10.64

White / Blue = ?Travel along Elliptical PathAngle BIG = ?Perimeter of 6-gon = ?Line Segment X = ?Angle FAH = ?White Area = ?Line Segment BD = ?Green Area = ?Green Fraction = ?

2019-07-28 05:20 Top 10.63

Radius R₂ = BT = ?Area of Dodecagon = ?Angle X = BCE = ?Line Segment X = AB = ?Angle ACB = ?Area MPT : Area NOP = ?Similar Triangles. CDF = ?Angle X = FEG = ?Ratio R / r = ? NEWRatio R / r = ?

2019-07-24 13:21 Top 10.62

Angle X = EAF = ?Orange Fraction = ?White Area = ?Shaded Fraction = ?Line Segment DE = ?Angle CGD = ?Green / Shaded Area = ?Fraction Blue Max = ?Angle X = CBG = ?Shaded Fraction = ?

2019-07-21 09:18 Top 10.61

Circle Arc Construction NEWPendulums ( penduler ) NEWArea of Square KLMN = ?Shaded Fraction = ?Sin A = sin BAC = ?Line Segment X = LR = ?Area of Rhombus BEDF = ?Area of Rhombus = ?Diameter of larger Circle = ?Line Segment BF = ?

2019-07-21 08:06 Top 10.60

Ratio R / s = ?Angle BCH = ?Orange Area = ?Area of White Fraction = ?Angle X = BDC = ?Proof: a = e ^ ( -e )Square > Triangle > HexagonSelected X-CoordinatesLine Segment X = CD = ?Line Segment Z = AC = ?

2019-07-14 19:30 Top 10.59

Line Segment PT = ?Semicircle / Semicircle = ?Angle X = DAP = ?See Saw ( Vippe )Maximum Rectangle = ? ( Ellipse )Line Segment EF = ?Maximum Rectangle AreaArea of Triangle ABC = ?Area of Orange Square = ?Line Segment BD = ?

2019-07-14 18:26 Top 10.58

Line Segment X = EM = ?Ratio a / b = ?Shaded Fraction = ?Ratio X / Y = ?Angle AGF = ?Shaded Fraction = ?Angle BDE = ?Orange Fraction = ?Ratio1 = BF / BD = ?Line Segment PQ = ?

2019-07-10 20:40 Top 10.57

One Graph, Two RootsShaded Fraction FS = ?BD = DK ⇒ CK / AD = ?Radiuses R₁, R₂, R₃, R₄ = ?X = R = ?Shaded Fraction = ?Four CirclesFour CirclesX = s = ?Series and Circles

2019-07-08 07:47 Top 10.56

Line Segment HL = ?Radius R₂ = ?Shaded Fraction = ?Førstekoordinaten a = 2 / 3Angle X = CDO = ?Shaded FractionShaded Area = ?Area of Orange Triangle = ?Angle X = BAD = ?Angle X = CDO = ?

2019-07-05 18:49 Top 10.55

s = 10 ⇒ S = ?Line Segment EF = ?Alpha = ABD = ACB = ?ABC = ? & AFC = ?Line Segment DS = ?t = B₂ = ?Radius R = ?White Fraction = ?Shaded Fraction = ?MN = 4 ⇒ BC = ?

2019-07-05 06:15 Top 10.54

Proof: LM ≤ ( Perimeter / 8 )Angle ADC = ?Shaded Area = ?Shaded Fraction = ?Shaded Fraction = ?Ratio AQ / CQ = ?Angle ADB = ?Area of Green Circle = ?Angle ABC = ?Side s of Square ABCD = ?

2019-07-02 06:10 Top 10.53

Area of Triangle DEF = ?Shaded Fraction = ?Constant k = ?Radius R = ?Green Area = ?Area ECODF = ?Angle DAP = ?Side S of Square ABCD = ?Unit Square ⇒ R = ?Blue Area = ?

2019-06-29 08:29 Top 10.52

Shaded Fraction = ?Orange Fraction = ?Angle HJI = ?Area and Perimeter of APTShaded Fraction = ?Length of Segment FG = ?Ratio MIN ( p / q ) = ?Shaded Fraction = ?Shaded Area = ?Shaded Fraction = ?

2019-06-25 19:06 Top 10.51

Red Area = ?C + D + G = ?Angle BPC = ?Orange Area = ?Shaded Area = ?Orange Area = ?Area CDE / Area ABD = ?AX + BX + CX = 3 BX = ?X = Side of Square = ?Ratio r / s = ?

2019-06-24 05:11 Top 10.50

Side X = s = ?( 0 ; B₂ ) = ?Red Area = ?Area Blue = ?Line Segment X = ?Ratio DE / AE = ?Area ABCD = ?Orange Area = ?Area of Orange Circle = ?Side of Triangle DEF = ?

2019-03-29 14:34 Top 10.13

a = ?, b = ? Area ABFE = ? Twelve Circles Twelve Circles

2019-03-27 21:51 Top 10.12

Ratio a / b = ? ( ANIMATED ) Ratio a / b = ? ( BASIC ) Purple Fraction of Square = ? Angle CGT = ? Radius R in two Congruent Circles = ? Area Purple / Area Blue = ?

2019-03-27 21:16 Top 10.11

Side S of Square ABCD = ? Area Green = ? Area of Square ABCD = ? Radius R of large Circle = ? Line Segment BP = ? Angle OPQ = ? Line Segment AB = ? Area of Square = ? Big Square / Small Square = ? Angle CPF = ?

2019-03-21 17:22 Top 10.10

Area Orange = ? Area of ABCD = ? Area of Red Dragon = ? X = 5.82843 Angle BFC = ? Difference between Areas = ?

2019-03-18 18:24 Top 10.9

Radius R = ? The Purple Area = ? Perimeter of shaded Area = ?

2019-03-18 17:21 Top 10.8

Area of shaded Triangles = ? Line Segment CG = ? Radius of red Circle = ? Perimeter of Square = ? 4 Squares in a Square Purple Area = ? Orange Fraction = ? X Y = ? BD = 2x = ? ( Similar Triangles ) Angle BQD = ?

2019-03-14 14:41 Top 10.7

Line Segment X = ? 1-Point-Perspective-Cylinder = ? Area of Rectangle = ? Area of Equilateral Triangle = ? Semicircles with Tangents One Circle, three Semicircles

2019-03-11 07:58 Top 10.6

Blue Area / Total Area = ? Angle BOD = ? ( Nonagon ) Area Blue = ? Angle BAP = ? Area of Triangle ABC = ?

2019-03-11 06:55 Top 10.5

Circle in a 3-4-5 Triangle = ? Side S = ? Rotating Square Knot Area Green = ? Three Circles and a Square Orange Fraction of Rectangle = ? Orange Fraction of Square = ? Area of Black Circle / Area of Blue Circle = ? Area of Orange Triangle / Area of Square = ? Coloured Fraction = ?

2019-03-05 07:51 Top 10.4

Angle between Tangents

2019-03-05 06:44 Top 10.3

Line Segment a / Line Segment b Area Blue Area of Triangle ABC Similar Triangles ( Line Segment X ) Perimeter of Rectangle ( Similar Triangles ) Area Square / Area Triangle Shaded Fraction SF Line Segment FG Area ABCDEF Coloured Fraction in Percentage

2019-03-05 05:27 Top 10.2

Radius of Circle in Fraction, R = ( a + b - c ) / 2 Shaded Fraction SF Angle OQP Area Red / Area Blue Square in Triangle Angle between Lines Shaded Area Square ins Semicircle Angle ABD

2019-02-28 10:21 Top 10.1

2019-02-21 17:44 Line Segment AB = ?

Line Segment AB = ?

2019-02-21 14:55 Proof: AB + BC = BP

2019-02-21 14:35 B = ( a ; b ) = ?

B = ( a ; b ) = ?

2019-02-21 13:58 Shaded Fraction = ?

2019-02-18 14:02 Area ABCD = ?

Area ABCD = ?

2019-02-18 12:21 tan ABD = ?

tan ABD = ?

2019-02-18 11:56 Angle DPT = ?

Angle DPT = ?

2019-02-18 11:37 Shaded Fraction = ?

2019-02-17 06:30 Right Congruent Triangles

Congruent Triangles

2019-02-17 05:51 DP = MP = DM

2019-02-16 05:40 Purple N-gons

2019-02-16 05:38 Coloured N-gons

2019-02-16 05:29 Square ind Square

Green Fraction = ?

2019-02-16 05:07 Purple Area = ?

Purple Area = ?Purple Area = ?

2019-02-15 16:22 R / r = ?

R / r = ?

2019-02-15 14:46 Side a = ?

Side a = ?

2019-02-15 14:20 Radius R = ?

2019-02-15 14:00 Area of Square = ?

Area of Square = ?

2019-02-15 13:35 Side s of Square ABCD = ?

Side s of Square = ?

2019-02-15 13:14 Area of Circle = ?

Area of Circle = ?

2019-02-14 15:24 Angle ATD = ?

2019-02-14 15:10 Total Area of the Design = ?

Total Area of Design = ?

2019-02-14 14:39 Circles on Top of each other

2019-02-14 14:14 Green Fraction = ?

Green Fraction = ?

2019-02-14 13:54 Shaded Fraction = ?

2019-02-14 08:24 Angle CAD = ?

2019-02-14 07:54 Orange / Green = ?

Orange / Green = ?

2019-02-14 07:42 Side X = ?

Angle DCP = ?

2019-02-14 07:27 Angle DCP = ?

Angle DCP = ?

2019-02-14 07:11 Circles and 3-4-5 Triangle

Circles and 3-4-5 Triangle

2019-02-14 06:57 b : s = ?

b : s

2019-02-14 06:41 Blue Angle DBF = ?

Blue Angle DBF = ?

2019-02-12 06:34 What Fraction is shaded ?

What Fraction is shaded = ?

2019-02-12 06:21 Triangle minus Square

Triangle minus Square

2019-02-12 05:57 Circles in a Parabola

2019-02-12 05:37 Alpha = ?

Alpha = ?

2019-02-12 05:09 Angle EKH = ?

2019-02-12 04:43 Angle ATD = ?

2019-02-12 04:24 Area blue / Area Green = ?

2019-02-08 05:22 Angle ADB = ?

2019-02-08 04:55 Coloured Triangles

2019-02-08 04:32 Angle ACD = ?

Angle ACD = ?

2019-02-08 04:19 Coloured Fraction = ?

Coloured Square = ?

2019-02-07 13:42 Hypocycloids

2019-02-07 13:24 Angle B = ?

Angle B = ?

2019-02-07 13:11 Angle CAF = ?

Angle CAF = ?

2019-02-04 05:00 Waltzing equilateral Triangles

2019-02-04 04:48 Red Area - Green Area = ?

Red Area - Green Area = ?

2019-02-04 04:31 PQ : AQ = ?

PQ : AQ = ?

2019-02-04 04:05 Angle BFD = ?

2019-02-02 14:44 Dimensions of Rectangle = ?

Rectangle Dimensions = ?

2019-02-02 14:08 Ratios a : b : c = ?

Ratios a : b : c = ?

2019-02-02 12:09 Sum of Areas of white Triangles = ?

Area of white Triangles = ?

2019-02-01 15:05 Square in Equilateral Triangle

Square in Equilateral Triangle

2019-02-01 14:47 Triangles, Hexagons, Circles

Polygons and Circles

2019-02-01 14:25 Chord X = ?

Chord X = ?

2019-01-31 21:22 Lemniscate of Bernoulli

Lemniscate of Bernoulli

2019-01-31 19:09 Shaded Fraction = ?

2019-01-31 18:52 Rectangle in Square

Rectangle in Square = ?

2019-01-31 18:22 Blue Fraction = ?

Blue Fraction = ?

2019-01-31 17:52 Area Blue in Octagon = ?

2019-01-29 07:15 Closed Curves with Epicycles

2019-01-27 16:31 3-4-5 Triangle in a Square

3-4-5 Triangle in a Square

2019-01-27 16:18 a : b : c = ?

a : b : c = ?

2019-01-27 15:55 Total blue Area = ?

Total blue Area = ?

2019-01-26 14:55 Coloured rotating Cardioids

2019-01-26 11:03 Determine Angle ACG

Angle ACG = ?

2019-01-24 13:37 Rotating Polygons

Rotating Polygons

2019-01-23 20:34 Line Segment AL = ?

Line Segment AL = ?

2019-01-22 15:29 Rectangle Area = ?

Rectangle Area = ?

2019-01-22 14:42 Intersecting perpendicular Parabolas

Congruent ParabolasTwo Parabolas, one EllipseTwo Parabolas, one CircleTwo Parabolas, one Ellipse

2019-01-20 15:56 Angle between Baselines of Semicircles = ?

Angle between Baselines

2019-01-20 14:56 Four Circles, two Triangles

Four Circles, two Triangles

2019-01-20 14:37 Cardioid by tracing Path of moving Point

Cardioid by moving Point

2019-01-20 13:49 More Circles in a Parabola

Two Circles in a ParabolaEight Circles in a Parabola

2019-01-20 13:21 Side of equilateral Triangle = ?

Side of equilateral Triangle = ?

2019-01-20 10:19 Side, Diagonal and Area

Side, Diagonal and Area

2019-01-20 09:59 Area of two Squares

2019-01-20 09:38 Arc black = ?

Arc black = ?

2019-01-20 08:45 Blue / Orange = ?

Blue / Orange = ?

2019-01-16 13:19 Find Angle X

Angle X = ?Alternative Solution

2019-01-16 12:40 Midsegment X = ?

Midsegment X = ?

2019-01-16 12:24 Determine Angle DCE

Angle DCE = ?

2019-01-15 04:50 Orange Area = ?

Orange Area = ?

2019-01-14 13:34 Triangles in Nonagons

Triangles in NonangonTriangle in Nonangon

2019-01-13 20:34 Determine Line Segment CD

Segment CD = ?

2019-01-13 11:59 Determine Circle Area

Blue Circle Area = ?Green Circle Area = ?

2019-01-12 06:18 Shaded Fraction = ?

2019-01-12 05:52 Determine Radius in the blue Circle

2019-01-11 17:01 Inverse of a Number a

Den reciprokke værdi af a

2019-01-11 16:37 Equilateral Triangle

Ligesidet trekant

2019-01-11 15:58 Circle, Triangle and Square

2019-01-11 13:41 Kites inside regular hexagon

Kites inside regular hexagon

2019-01-11 12:57 Two congruent Rectangles

Two congruent rectanglesGeometry Version

2019-01-09 16:38 Ford Circles

Ford Circles 12i-1 Ford Circles ( 2 Graphs )

2019-01-07 11:05 Intersecting Chords Theorem

Intersecting Chords Theorem

2019-01-07 10:34 Rectangle Area = ?

Rectangle Area 1 = ?Rectangle Area 2 = ?

2019-01-06 06:01 Thales's Theorem

Thales's Theorem

2019-01-06 05:26 Semicircle, Triangle, Circle

Semicircle, Triangle, Circle

2019-01-04 04:40 Area blue divided by Area Square

Area blue / Area Square

2019-01-01 16:53 Circles ind Polygons

Determine Alpha

2019-01-01 06:47 Ptolemy's theorem

Ptolemy's Theorem 1Ptolemy's Theorem 2

2018-12-30 07:14 Determine Alpha

Determine Alpha

2018-12-27 22:27 Isosceles Triangle ( determine beta )

Isosceles Triangle

2018-12-27 20:01 Proof that a ² = b ² + c ²

Proof: a ² = b ² + c ²

2018-12-27 19:35 Squares in equilateral Triangles

Squares in Triangles

2018-12-26 18:04 Three Circles, one Tangent

Three Circles-one Tangent

2018-12-25 13:12 h = Half the Sum of Diameters

h = Half the Sum of Diameters

2018-12-25 12:13 3D Semicircles ( y-axis )

3D Semicircles y-axis

2018-12-24 04:06 Hexagon Spiral

Hexagon SpiralHexagon Spiral

2018-12-23 07:06 Line Segments in a Triangle

Line Segments in a Triangle

2018-12-21 04:27 Determine Incircle Area

Incircle Area = ?

2018-12-20 17:07 Determine shorter and longer Perimeter, respectively

Shorter Perimeter = ?

2018-12-18 14:53 Phyllotaxis Spirals

Phyllotaxis SpiralsGolden Spiral

2018-12-17 06:37 Triangles, Circles and Square

Triangles, Circles, Square

2018-12-16 07:32 Area of blue Square

Area of blue Square = ?

2018-12-15 20:58 Darkest Area = ?

Darkest Area = ?

2018-12-14 17:29 Tangent Detector ( All Round )

Tangent Detector ( Basic )

2018-12-14 17:14 Tangent Detector NEW

Tangent Detector NEW

2018-12-11 06:03 Tangent Detector

Edit Graph on Desmos

2018-12-11 05:44 Bestem trekantsiden x

Bestem siden x ( Golden Ratio )

2018-12-11 05:09 Shaded Area = ?

2018-12-10 21:43 Incircle and Excircles ( simplified )

Røringscirkler (forenklet)

2018-12-10 21:18 Blue Fraction of Square = ?

Edit Graph on Desmos

2018-12-08 04:09 Determine R - W

Determine R - W

2018-12-08 03:42 Two Rectangles

Edit Graph on Desmos

2018-12-08 03:15 Nonagons in Nonagon

Nonagons in Nonagon

2018-12-05 05:44 Determine orange Area

Determine orange Area

2018-12-05 05:15 Determine Area of Triangle

Determine Area of Triangle

2018-12-05 04:25 Pentagons in a Circle

Pentagons in a Circle

2018-12-04 05:56 Determine the Median

Determine the Median

2018-12-04 05:20 Half the Disk is shaded

2018-12-02 22:08 Radian ( pedagogical )

Edit Graph on Desmos