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Find the radius of a cylinder from its volume

Grade 8 math · Fieldbook Learning

Name ______________________ Date __________

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

  1. A cylinder has a volume of 1921.68 cm³ and a height of 17 cm. Use π = 3.14. What is its radius, in cm?
  2. A cylinder has a volume of 1177.5 cm³ and a height of 15 cm. Use π = 3.14. What is its radius, in cm?
  3. A cylinder has a volume of 395.64 cm³ and a height of 14 cm. Use π = 3.14. What is its radius, in cm?
  4. A cylinder has a volume of 2615.62 cm³ and a height of 17 cm. Use π = 3.14. What is its radius, in cm?
  5. A cylinder has a volume of 263.76 cm³ and a height of 21 cm. Use π = 3.14. What is its radius, in cm?
  6. A cylinder has a volume of 2797.74 cm³ and a height of 11 cm. Use π = 3.14. What is its radius, in cm?
  7. A cylinder has a volume of 1884 cm³ and a height of 24 cm. Use π = 3.14. What is its radius, in cm?
  8. A cylinder has a volume of 1406.72 cm³ and a height of 7 cm. Use π = 3.14. What is its radius, in cm?
  9. A cylinder has a volume of 4179.34 cm³ and a height of 11 cm. Use π = 3.14. What is its radius, in cm?
  10. A cylinder has a volume of 13423.5 cm³ and a height of 19 cm. Use π = 3.14. What is its radius, in cm?
  11. A cylinder has a volume of 508.68 cm³ and a height of 2 cm. Use π = 3.14. What is its radius, in cm?
  12. A cylinder has a volume of 392.5 cm³ and a height of 5 cm. Use π = 3.14. What is its radius, in cm?
  13. A cylinder has a volume of 46472 cm³ and a height of 37 cm. Use π = 3.14. What is its radius, in cm?
  14. A cylinder has a volume of 621.72 cm³ and a height of 22 cm. Use π = 3.14. What is its radius, in cm?
  15. A cylinder has a volume of 2599.92 cm³ and a height of 23 cm. Use π = 3.14. What is its radius, in cm?
  16. A cylinder has a volume of 678.24 cm³ and a height of 6 cm. Use π = 3.14. What is its radius, in cm?
  17. A cylinder has a volume of 41711.760000000002 cm³ and a height of 41 cm. Use π = 3.14. What is its radius, in cm?
  18. A cylinder has a volume of 14057.780000000001 cm³ and a height of 37 cm. Use π = 3.14. What is its radius, in cm?
  19. A cylinder has a volume of 49062.5 cm³ and a height of 25 cm. Use π = 3.14. What is its radius, in cm?
  20. A cylinder has a volume of 39928.239999999998 cm³ and a height of 44 cm. Use π = 3.14. What is its radius, in cm?
More free practice: fieldbooklearning.com/ca/practice/grade-8/find-the-radius-of-a-cylinder-from-its-volume/

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Answer key: Find the radius of a cylinder from its volume

  1. 6
  2. 5
  3. 3
  4. 7
  5. 2
  6. 9
  7. 5
  8. 8
  9. 11
  10. 15
  11. 9
  12. 5
  13. 20
  14. 3
  15. 6
  16. 6
  17. 18
  18. 11
  19. 25
  20. 17