SOLUTION: What is the radius if the area of the circle is: 9(PI) thank you

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Question 1173225: What is the radius if the area of the circle is: 9(PI)

thank you
Answer by ikleyn(52817) About Me  (Show Source):
You can put this solution on YOUR website!
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Area of this circle = pi%2Ar%5E2 = 9pi.


Cancel the factor of  pi  in both sides


    r%5E2 = 9.


Hence,  r = sqrt%289%29 = 3.     ANSWER

Solved.