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17 February, 05:46

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

area of rug: 153.86 feet

+2
Answers (2)
  1. 17 February, 06:19
    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
  2. 17 February, 09:23
    0
    The best and correct answer is 7
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