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Shaded Fraction = 1 / 7

KL = 3s / 5

Blue Area = 1 Square Units

Length l = 22.1538461538

Ratio of a : b : c

Ratio of a / b = 5 / 2 = 2.5

Angle CNL = 45

X = ACD = 30

Rabio of a / b = 16 / 13

Missing Angle KML = 45