Advanced MathEasyEdge of a cube from its volume
Advanced Math practice question
A cube has a volume of 27 cubic centimetres. What is the length, in centimetres, of one edge of the cube?
Answer: 3
Edge³ = 27, and 3 × 3 × 3 = 27, so the edge is 3.
Common wrong answers
- If you answered 9
- 9 is 27 ÷ 3.
- If you answered 5.2
- 5.2 is √27, a square root instead of a cube root.
- If you answered 4.5
- 4.5 is 27 ÷ 6, dividing by the number of faces.
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