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7 November, 00:15

A circle has an area of 256pi. What is the diameter of the circle?

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Answers (2)
  1. 7 November, 00:22
    0
    Circle Area = PI*r^2

    Circle Area = PI * 256

    radius = sq root (256)

    radius = 16

    diameter = 32
  2. 7 November, 00:39
    0
    256pi

    sqroot 256 = 16

    16 * 2 = 32

    The diameter of the circle is 32
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