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23 October, 13:14

Calculate the radius of the circular rug. Use 3.14 for π.

Area of rug = 153.86 feet

Enter your answer in the box below.

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Answers (1)
  1. 23 October, 17:01
    0
    7 ft

    Step-by-step explanation:

    The area of a circle is given by

    A = pi r^2

    153.86 = 3.14 r^2

    Divide each side by 3.14

    153.86 / 3.14 = r^2

    49 = r^2

    Take the square root of each side

    sqrt (49) = sqrt (r^2)

    7 = r
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