Top 10.374

Circle Area = 100.530964915

Ratio of BE / DE = 1

tan EFG = tan α = 1 / 2 = 0.5

Tan = EAF = tan X = 1 / 2

Tan FOM = tan BOC = 1 / 3

Shaded Fraction = 3 / 5 = 0.6

AC = X = 10.0498756211

X = 0.8435636080687686

Ratio of a / b = 1 / 4 = 0.25

R = 10 ⇒ | FG | = 4