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Circumference and area of a circle

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  • Work out C when d = 15.21( round 1 d.p)
    47.8
  • find the radius
    1.3
  • Work out the area of each circle. diameter = 23 cm (round nearest whole number)
    415
  • Work out A when r = 7.28
    166.4
  • Work out A when d = 11.85 (round 1 d.p)
    110.2
  • Find
    25.2
  • Work out the area of each circle. Radius = 6 cm (round nearest whole number)
    113
  • Use π = 3.14. Round your answers correct to 1 decimal place (1 d.p.).
    55.4
  • Find
    2.2
  • Use π = 3.14. Round your answers correct to 1 decimal place
    12.6
  • Use π = 3.14. Round your answers correct to 1 decimal place (1 d.p.).
    254.3
  • find the radius
    3
  • Work out C when r = 9.5
    59.7
  • Work out the area of the circle. radius = 4.25m (round nearest whole number)
    57
  • Find
    3.2
  • Find
    9.9
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