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24 July, 01:36

What is the radius of a circle with an area of 78.5 cubic inches? Use 3.14 for pi. Enter your answer in the box.

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Answers (2)
  1. 24 July, 01:57
    0
    Answer: Your Answer would be 5 inches

    Step-by-step explanation:

    Your welcome!
  2. 24 July, 01:58
    0
    r = 5 in

    Step-by-step explanation:

    Area of a circle is given by

    A = pi r^2

    We know the area and pi

    78.5 = 3.14 r^2

    Divide by 3.14

    78.5/3.14 = 3.14 / 3.14 r^2

    25 = r^2

    Take the square root of each side

    sqrt (25) = sqrt (r^2)

    5=r
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