SOLUTION: What is the radius of a circle whose area is 64◘? Thank you very much :)

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Question 455320: What is the radius of a circle whose area is 64◘?
Thank you very much :)
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
64=3.14*r^2
r^2=64/3.14
r^2=20.38
r=4.5 units