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26 July, 11:20

What is the area of a circle with a radius of 42 inches?

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Answers (2)
  1. 26 July, 11:27
    0
    The area of a circle is:

    A=πr^2 if r=42 then

    A=π42^2 in^2

    A=1764π in^2 (exact)

    A≈5541.77 in^2 (to nearest one-hundredth of a square inch)
  2. 26 July, 11:45
    0
    The answer would be 5541.76944093239. cause A = pi r^2
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