Mathematics Worksheet/Circle/Area and perimeter of circle

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Use \pi=\!3,14 if the radius are not multiple of 7 and use \pi=\frac{22}{7} if the radius are multiple of 7.

  1. Find the area of the circle with the given radius:
    1. 2 cm
    2. 5 cm
    3. 7 cm
    4. 10,5 cm
    5. 14 cm
    6. 16 cm
    7. 11,3 cm
    8. 9,8 cm
    9. 12,53 cm
    10. 18 cm
    11. 20 cm
    12. 10,263 cm
    13. 5,6 cm
    14. 21 cm
    15. 24,5 cm
    16. 17,75 cm
    17. 32,3261 cm
    18. 23,5 cm
    19. 25,63 cm
    20. 12 cm
    21. 28 cm
    22. 56 cm
    23. 42 cm
    24. 63 cm
    25. 80 cm
  2. Find the perimeter of the circle with the given diameter:
    1. 14 cm
    2. 21 cm
    3. 12 cm
    4. 28 cm
    5. 23 cm
    6. 9,6 cm
    7. 13,42 cm
    8. 12,3 cm
    9. 19 cm
    10. 35 cm
    11. 32 cm
    12. 13,652 cm
    13. 9,462 cm
    14. 11,4531 cm
    15. 42 cm
    16. 45 cm
    17. 54 cm
    18. 52,5 cm
    19. 36,4 cm
    20. 25,643 cm
    21. 65 cm
    22. 76 cm
    23. 84 cm
    24. 95 cm
    25. 100 cm