Question

What is the length of one side of a die if the volume of the die is 27 cm3? A) 3 cm B) 7 cm C) 9 cm D) 24 cm

Answer 1

3 cm

Explanation:

The volume of a cube is the cube of the side dimension, hence the side dimension is the cube root of the volume.

∛(27 cm³) = 3 cm

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Problems like this are worked readily if you memorize the cubes of small integers. I suggest 1–5 at least, perhaps 1–10.

1. 1
2. 8
3. 27
4. 64
5. 125
6. 216
7. 343
8. 512
9. 729
10. 1000