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AD = 7.00000008574

X + 2 = BD ⇒ X = BD - 2 = 3

Radius R = 7.04166666667

Another Approach: R = 7.04166666667

Blue / Red = 0.0538475772934

Green Area = 3 Square Units

Elaborated: Green = 3 Square Units

Fraction = 1.83928675521

Angle ABC = θ = 30°

Red Area = 0.585786437627

Fraction = 0.0282494456034

Mauve Fraction = 0.25 = 1 / 4