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Circumference of a circle from the diametre

Year 8 maths · Fieldbook Learning

Name ______________________ Date __________

Circumference = π × diametre, with π = 3.14. Double the radius to get the diametre.

  1. A circle has a diametre of 76 cm. Find its circumference. Use π = 3.14.
  2. A circle has a diametre of 44 cm. Find its circumference. Use π = 3.14.
  3. A circle has a diametre of 56 cm. Find its circumference. Use π = 3.14.
  4. A circle has a diametre of 78 cm. Find its circumference. Use π = 3.14.
  5. A circle has a diametre of 152 cm. Find its circumference. Use π = 3.14.
  6. A circle has a diametre of 46 cm. Find its circumference. Use π = 3.14.
  7. A circle has a diametre of 62 cm. Find its circumference. Use π = 3.14.
  8. A circle has a diametre of 14 cm. Find its circumference. Use π = 3.14.
  9. A circle has a diametre of 58 cm. Find its circumference. Use π = 3.14.
  10. A circle has a diametre of 128 cm. Find its circumference. Use π = 3.14.
  11. A circle has a diametre of 112 cm. Find its circumference. Use π = 3.14.
  12. A circle has a diametre of 152 cm. Find its circumference. Use π = 3.14.
  13. A circle has a diametre of 132 cm. Find its circumference. Use π = 3.14.
  14. A circle has a diametre of 110 cm. Find its circumference. Use π = 3.14.
  15. A circle has a diametre of 178 cm. Find its circumference. Use π = 3.14.
  16. A circle has a diametre of 126 cm. Find its circumference. Use π = 3.14.
  17. A circle has a diametre of 124 cm. Find its circumference. Use π = 3.14.
  18. A circle has a diametre of 84 cm. Find its circumference. Use π = 3.14.
  19. A circle has a diametre of 198 cm. Find its circumference. Use π = 3.14.
  20. A circle has a diametre of 148 cm. Find its circumference. Use π = 3.14.
More free practice: fieldbooklearning.com/uk/practice/year-8/circumference-of-a-circle-from-the-diameter/

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Answer key: Circumference of a circle from the diametre

  1. 238.64
  2. 138.16
  3. 175.84
  4. 244.92
  5. 477.28
  6. 144.44
  7. 194.68
  8. 43.96
  9. 182.12
  10. 401.92
  11. 351.68
  12. 477.28
  13. 414.48
  14. 345.4
  15. 558.92
  16. 395.64
  17. 389.36
  18. 263.76
  19. 621.72
  20. 464.72