Top 10.902

X = ADP = 30

Blue Area = 20.7846096908

AE / CE = 0.333333333333 = 1 / 3

Radius r = 1.80118581244

X = 53.1301023542

X = CE = 0.61803398875

X = AD = 2.8 = 14 / 5

Rectangle ABCD Area = 2

AC = 13.416407865

X = Angle BAE = 109

Top 10.901

Proof that HK = DH

Pink Triangle Area = 12

Green Area = 0.314159265359

X = Angle ACB = 25

Blue Triangle Area = 6.63324958071

Yellow Area = 194.162607362

Square ABCD Area = 520

X = GH = 3.16227766017

Blue Area = 9.77357067506

Segment FH = 25

Top 10.900

X = 0.277350098113

X = 0.270598050073

Green Triangle Area = 39

X = Angle ECM = 70

Area ( Trapezoid CDGF ) = 66

X = BC = 2.44948974278

Shaded Area = 2.73941302549

Proof that a = 2 b

Area ( Triangle ) = 147

X = BC = 9 / 2 = 4.5

Top 10.899

X = BC = 9

Elaborated

X = AB = 17.3205080757

Shaded Area = 6 Square Units

Green Area = 19

X = Angle ABD = Angle ACB = 18

X = ABC = 75

X = CED = 72

Angle AEM = 45

X = AE = 1.73205080757

Area ( red ) - Area ( green ) = 2

Top 10.898

X = 11.5911099155

[ BDE ] / [ ABC ] = 0.464101615138

X = DF = 10

Shaded Area = 88.5398163397

Tangent KL = Sekant BM = 24

X = CH = 7

m / n = 0.57735026919

X = BAD = 15

Angle DFE = 45

Angle BAC = 60