Top 10.952

Radius R = 1.73205080757

X = BKD = 130

Hard Elaborated Way

Missing Angle DBE = 45

Segment GH / Segment HI = 2

Yellow Triangle Area = 600

ABC = 75. BAC = 60. ACB = 45

Painted Area = 42.5884572681

Red Area / Green Area = 3.2

X = Angle ABC = 75

X = ABP = 15