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