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25 October, 20:10

Calculate the area of a circle with the radius of 2cm (1dp)

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Answers (2)
  1. 25 October, 22:22
    0
    area = pi x r^2

    r^2 = 2x2=4

    area = pi x 4

    area = 12.5663706144

    =12.6 (1 decimal place)
  2. 25 October, 22:47
    0
    The are of a circle is π * r^2 = 4π ≈ 12.56;
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