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QuizMultiple Choice

Volume and Surface Area Problems — Unit test

Question 1 • FL-1205040-M/J Grade 7 Mathematics B -GF

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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Two triangular faces of a rectangular pyramid…