Multiple choice

A rectangular solid is 20 cm long and 12 cm wide. If its volume is 2160 cm3, the height is:

  1. 11 cm

  2. 10 cm

  3. 12 cm

  4. 9 cm
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Volume = length * width * height. 2160 = 20 * 12 * height. 2160 = 240 * height. Height = 2160 / 240 = 9 cm.

AI explanation

The formula for the volume of a rectangular solid is Volume = length * width * height. Substituting the given values gives 2160 = 20 * 12 * height. Solving this equation, height = 2160 / 240 = 9 cm. The height of the solid is 9 cm.

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