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Perimetre of a semicircle or quarter circle

Grade 7 math · Fieldbook Learning

Name ______________________ Date __________

Add the curved edge and the straight edges. Use π = 3.14.

  1. A quarter circle has a radius of 40 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  2. A quarter circle has a radius of 8 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  3. A quarter circle has a radius of 8 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  4. A semicircle has a diametre of 48 cm. Find its perimetre in cm (the curved edge plus the straight edge). Use π = 3.14.
  5. A quarter circle has a radius of 24 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  6. A quarter circle has a radius of 22 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  7. A quarter circle has a radius of 58 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  8. A semicircle has a diametre of 42 cm. Find its perimetre in cm (the curved edge plus the straight edge). Use π = 3.14.
  9. A quarter circle has a radius of 18 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  10. A semicircle has a diametre of 82 cm. Find its perimetre in cm (the curved edge plus the straight edge). Use π = 3.14.
  11. A quarter circle has a radius of 30 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  12. A quarter circle has a radius of 46 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  13. A semicircle has a diametre of 12 cm. Find its perimetre in cm (the curved edge plus the straight edge). Use π = 3.14.
  14. A semicircle has a diametre of 74 cm. Find its perimetre in cm (the curved edge plus the straight edge). Use π = 3.14.
  15. A quarter circle has a radius of 54 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  16. A quarter circle has a radius of 42 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  17. A quarter circle has a radius of 100 cm. Find its perimetre in cm (the curved edge plus the two straight edges). Use π = 3.14.
  18. A semicircle has a diametre of 122 cm. Find its perimetre in cm (the curved edge plus the straight edge). Use π = 3.14.
  19. A semicircle has a diametre of 146 cm. Find its perimetre in cm (the curved edge plus the straight edge). Use π = 3.14.
  20. A semicircle has a diametre of 146 cm. Find its perimetre in cm (the curved edge plus the straight edge). Use π = 3.14.
More free practice: fieldbooklearning.com/ca/practice/grade-7/perimeter-of-a-semicircle-or-quarter-circle/

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Answer key: Perimetre of a semicircle or quarter circle

  1. 142.8
  2. 28.56
  3. 28.56
  4. 123.36
  5. 85.68
  6. 78.54
  7. 207.06
  8. 107.94
  9. 64.26
  10. 210.74
  11. 107.1
  12. 164.22
  13. 30.84
  14. 190.18
  15. 192.78
  16. 149.94
  17. 357
  18. 313.54
  19. 375.22
  20. 375.22