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3 September, 19:57

The radius of a circle is 42 inches. What is the circle's area?

Use 3.14 for .

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Answers (2)
  1. 3 September, 20:07
    0
    5,538.96 in

    Step-by-step explanation:

    A=π r^2

    Remember r^2 is r * r.

    r^2 = 42*42 = 1,764

    A = 3.14 * 1,764 = 5,538.96in
  2. 3 September, 20:20
    0
    A = 5538.96 in^2

    Step-by-step explanation:

    The area of a circle is given by

    A = pi r^2

    We know the radius is 42 and pi is approximated by 3.14

    A = 3.14 * 42^2

    A = 5538.96 in^2
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