Top 10.869

tan CED = √ 3 = 1.73205080757

Angle KDL = 45

Without knowing that KDL = 45

The Total Area = 810

Radius R = 8.94427191

Pink Area = 22 / 3

BDC = CBD = 78

Angle ACD = 30

Proof that DM & CM Trisect AB

Shaded Area = 5

Unit Circle. x² + y² - xy = 1

Top 10.868

Hexagon Area = 166.276877527

X = LM = 5

Ratio of a / b = 2 / 5

Shaded Fraction = 9 / 14

Ratio of AD / DE = 4

X = CM = 18

X = ADB = 65

Orange Area = 26.1057158515

0 < Blue Area ≤ 12.5

X = ACD = 60

Top 10.867

X = ∠ FEG = 48

Area ( △ ABC ) = 84 Square Units

Segment EF = 10

h = 1.41421356237

X = ∠ CED = 40

X = BCD = 75

Another Approach

Blue Area = 29.2762519061

Triangle CDE Area = 5

X = AB = 4

BCM = ACM = 22.5

Top 10.866

X = BD = 15

Shaded Area = 2 Square Units

X = AO = 11

Drive Belt Length = 58.4837215339

X = AED = 45

X = CF = 4

a² + b² = 825

Area ( △ ABC ) = 961.554088901

Green Area = 300.518913126

X = BC = 16

Top 10.865

X = ABE = 20

Pink Area = 39.3982236862

X = CBD = 30

Shaded Area = 15.7079632679

Shaded Area = 9.89949493661

X = DCE = 45

X = ACB = 38

X = NP = 58.4781126651

Blue Circle Area = 12.5663706144

Baseline BC = 12