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Grade 8 maths · N.10 · Volume of cylinders, cones and spheres

Find the height of a cylinder or cone from its volume

Work backwards from the volume formula to find the missing length.

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  1. A cone has a volume of 75.36 cm³ and a radius of 2 cm. Use π = 3.14. What is its height, in cm?

    Answer: 18

  2. A cylinder has a volume of 602.88 cm³ and a radius of 8 cm. Use π = 3.14. What is its height, in cm?

    Answer: 3

  3. A cylinder has a volume of 4578.12 cm³ and a radius of 9 cm. Use π = 3.14. What is its height, in cm?

    Answer: 18

Tip: Work backwards from the volume formula to find the missing length.

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