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30 July, 04:43

How do you find the radius if you know the area of the circle?

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Answers (2)
  1. 30 July, 04:46
    0
    sqrt (A / pi) = r
  2. 30 July, 05:08
    0
    sqrt (A / pi) = r

    Step-by-step explanation:

    The area of a circle is given by

    A = pi r^2

    Divide each side by pi

    A / pi = r^2

    Take the square root of each side

    sqrt (A / pi) = sqrt (r^2)

    sqrt (A / pi) = r
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