Top 10.554

Orange = 30.6083332201

Shaded Fraction = 3 / 10

Blue Area = 109 / 4 = 27.25

Orange = 63.7879010704

Blue Area = 10.6548647668

X = BM = 5

Another Approach

X = CED = 30°

Blue Area = 41 Square Units

X = AB = 140

Elaborated and Improved

Blue Area = 3.05304958691