Top 10.966

Angle KCL = 45

X = DCF = 63

Rectangle DEFG Area = 200

X = ALD = 81

BC = 29 / 2 = 14.5

X = BC = 3.46410161514

X = BEF = 30

Volume of Coloured Lampshade

Blue Area = 26.6506350946

Shaded Area = R ^ 2 / 4