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Year 9 maths · C.12 · Square roots and cube roots

Side of a square or edge of a cube

Use the root that undoes the area or volume formula.

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  1. A cube has a volume of 132651 cm³. How long is each edge, in cm?

    Answer: 51

  2. A square has an area of 3249 cm². How long is each side, in cm?

    Answer: 57

  3. A square has an area of 1024 cm². How long is each side, in cm?

    Answer: 32

Tip: Use the root that undoes the area or volume formula.

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