Question

A cube with length 2 cm is attached with a cube of length 3 cm. Find the combined volume of both the cubes.

• A. 35 cubic centimeters
• B. 45 cubic centimeters
• C. 30 cubic centimeters
• D. 37 cubic centimeters

Answer 1

The correct option is A 35 cubic centimeters

The total volume of the shape is equal to the sum of volumes of the two cubes.


Volume of a cube
= Length $\times$ Width $\times$ Height

For a cube: length = width = height

Volume of the cube (with length 2 cm)
= 2 $\times$ 2 $\times$ 2 = 8 cubic centimeters

Volume of the cube (with length 3 cm)
= 3 $\times$ 3 $\times$ 3 = 27 cubic centimeters

Total volume = 8 + 27
= 35 cubic centimeters