Volume of Composite Figures — Cumulative exam Answers
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The surface area of which composite figure is the sum of the areas of eight triangular faces?
A
two rectangular pyramids joined at their congruent basesB
two rectangular pyramids joined at two congruent lateral facesC
two triangular prisms joined at their congruent basesD
two triangular prisms joined at two congruent lateral faces22
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One of the skylights on the roof of Bianca’s building is in the shape of the solid below.What is the total volume of air inside the skylight?
A
392 inches cubed
B
588 inches cubed
C
870 inches cubed
D
980 inches cubed
23
A rectangular pyramid has a volume of , a height of 12 in., and a base length of 21 in. What is the width of its base?
A
2 in.B
6 in.C
12 in.D
18 in.24
Each brick in the wall has the dimensions shown below.What is the volume of each brick?
A
59 inches cubed
B
72 inches cubed
C
118 inches cubed
D
144 inches cubed
25
What is the surface area of the triangular prism? [Not drawn to scale]
A
115 square feetB
120 square feetC
135 square feetD
150 square feetDid you find these answers helpful?
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