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n = 4 ⇒ Ratio = 13 / 55

X = √ ( b ² + a ² )

Angle BAC = 13° ⇒ n = 6

s = 1 ⇒ R = 0.187680601147

By Regression: R = 0.187680601147

Ratio of Green / Blue = 1

Shaded fraction = 1 / 24

AD = 10.7703296143

Angle X = ABF = 48°

Slope a = 0.707106781187

Shaded Fraction = 13 / 18