Top 10.414

Blue Area = 30 Square Units

Yellow Area = Blue Area

Pink Area = 26.7035375555

Square = 72 Square Units

Ratio of a / b = 1.5 = 3 / 2

Pink Area = 9 / 2 cm²

Angle EBF = 45°

X = BK = 4 / 5 = 0.8

X = AD = 2.2360679775

The Missing Distance = 2