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2 December, 22:57

What is the radius of a circle whose area is 616 sq. meters?

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Answers (2)
  1. 2 December, 23:05
    0
    Area = pi r^2

    616 = pi r^2

    r^2 = 616 / pi = 196.08 meters

    r = sqrt 196.08 = 14 meters to nearest meter
  2. 2 December, 23:23
    0
    Area = pi * r^2, right:

    616 = 3.1416 * r^2, r^2 = 616/3.1416 = 196.07, r = sqrt (196.07) = 14.002 meters.

    Looks like it was written to be almost 14. The answer is 14.002 m, maybe rounded to just 14 m
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