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Transition Year maths · C.2 · Volume

Find the volume of prisms and pyramids

Prism: base area × height. Pyramid: one third of that.

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  1. A rectangular prism is 5 cm by 3 cm by 9 cm. What is its volume in cubic centimeters?

    Answer: 135

  2. A rectangular prism is 9 cm by 5 cm by 3 cm. What is its volume in cubic centimeters?

    Answer: 135

  3. A rectangular prism is 10 cm by 5 cm by 3 cm. What is its volume in cubic centimeters?

    Answer: 150

Tip: Prism: base area × height. Pyramid: one third of that.

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