Top 10.906

Blue Area = 21.5390309173

X = DE = 2.64575131106

Trapezoid AEDT Area = 90

Shaded Area = 3 / 8 = 0.375

X = AL = 3

R = 3.53553390593

R1 = CM = DM = EM = 9

X = BD = 8

X = AL = 10

X = CE = 15 / 7 = 2.14285714286