Question

What is the volume of the figure below, which is composed of two cubes with side lengths of 9 units?

A.
54 cubic units
B.
729 cubic units
C.
1,458 cubic units
D.
810 cubic units

Answer 1

C. 1458 cubic units.

Explanation:

one cubes side length is 9. The only side that changes is the length since the size is doubled so instead of it 9 it would be 18.

V= L × W × H

= 18 × 9 × 9

= 1,458

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Answer 2

C. 1458 cubic units

Explanation:

one cubes side length is 9. The only side that changes is the length since the size is doubled so instead of it 9 it would be 18.

V= L × W × H

= 18 × 9 × 9

= 1,458

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