The figure shows a solid trapezoidal prism
with a cylindrical hole of diameter 30 cm.
D 40 cmc
Q.8
3
А
B
70 cm
74 cm
R
/25 cm
Q
P 88 cm
Given that AB = DC = 40 cm, PQ = SR = 88 cm,
30 cm
2
PS = QR = 25 cm, AP = BQ = 74 cm and the
height of the solid is 70 cm, find
(i) the volume,
(ii) the total surface area, of the solid.
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