SOLUTION: A circle has an area of 188. Find the radius.

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Question 757275: A circle has an area of 188. Find the radius.
Answer by MathLover1(20849) About Me  (Show Source):
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A circle has an area of A=188
by definition,A=r%5E2%2Api
=> r%5E2=A%2Fpi
=> r=sqrt%28A%2Fpi%29
r=sqrt%28188%2F3.14%29
r=sqrt%2859.873%29
r=7.74