19
QuizMultiple Choice

Volume of Composite Figures — Cumulative exam

Question 19 • Math 7 B (M12 25/26 S2)

Two triangular faces of a rectangular pyramid each have an area of 7.8 cm2 and the other two faces each have an area of 16.5 cm2. If the area of the base is 60 cm2, what is the total surface area of the pyramid?

Answer
A
84.3 cm2
B
108.6 cm2
C
157.2 cm2
D
168.6 cm2
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