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Second Year maths · C.11 · Square roots and cube roots

Edge length of a cube from its volume

Use the root that undoes the area or volume formula.

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  1. A cube has a volume of 17576 cm³. How long is each edge, in cm?

    Answer: 26

  2. A cube has a volume of 10648 cm³. How long is each edge, in cm?

    Answer: 22

  3. A cube has a volume of 85184 cm³. How long is each edge, in cm?

    Answer: 44

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

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