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12 October, 00:24

What's the radius of a 1808.64 square mile circle

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Answers (2)
  1. 12 October, 01:21
    0
    A = (3.14) r^2

    1808.64=3.14r^2

    :3.14 both sides

    576=r^2

    square root both sides

    r=24
  2. 12 October, 02:09
    0
    area = PI 8 R^2

    so 1808.64 = PI * r^2

    1808.64 = (3.14) x r^2

    divide both sides by pi

    576 = r^2

    now find square root of 576 for r = 24 miles
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