Top 10.945

X = ADE = 20

CE = ½ ET = 0.616781257308

X = 3

X = CAD = 40

Top 10.944

X = AED = BEC = 60

Green Triangle Area = 150

Without Trigonometry

Simplified

Pink Trapezoid Area = 42

Ratio of X to Y = 2

X = DAF = 15

X = OP = 5.09901951359

X = 6 / 5 = 1.2

Alpha = ADF = 40

Radius R = 1.58113883008

X = AD = 3 / 7 = 0.428571428571

Top 10.943

Radius R = ?

Regular Hexagon Area = ?

X = KL = ( 3 / 5 ) s

X = CF = 20

Angle CTD =  135

X = ABD = CBD = 20

Shaded Area = 30

Green Fraction = 5 / 16

Ratio of CE to EH = 8

Max ( R / R1 ) = 1.61803398875

Top 10.942

X = AF = 10.3923048454

X = 2.74397736228

R = 3.84654629081

X + Y / 3 = 60

Orange Area = 40.1144919684

Shaded Area = 36 Square Units

Square Area = 64

Circle / Semicircle. No trigonometry

a / b = 0.866025403784

X = DAF = 30

Top 10.941

Angle Z = ADB = 40

Ratio of Green to Magenta is 9/49

Proof that a / b = 1.61803398875

Blue Square Area = 36

X = CDE = 18

X = Angle ADE = 45

Yellow Area = 25.4558441227

Incircle Area = 47.1238898038

EJ / FJ = 4 / 3

Perimeter of Yellow Nonagon = 18

Top 10.940

Semicircle Area = 78.5398163397

X = FAC = 45

X = ADF = 60

Circle Radius = 4

X = BD = 5.65685424949

X = AD = 9.36

Shaded Area = 9

a = 0

Shaded Fraction = 4 / 9

X = AD = 27.2111025509