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Year 8 · Measurement

Volume of rectangular prisms

Volume is the space inside a solid, measured in cubes.

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How to do it

  1. Multiply length × width × height.
  2. Write the unit cubed (cm³).

Worked example

A box is 11 cm long, 9 cm wide and 7 cm high. What is its volume, in cm³?
Volume of a cuboid = length × width × height = 11 × 9 × 7 = 693.
Answer: 693

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Volume uses cm³, area uses cm².

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