SOLUTION: if the area of a circle is 380 square inches, then whats the radius?

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Question 612347: if the area of a circle is 380 square inches, then whats the radius?
Answer by alicealc(293) About Me  (Show Source):
You can put this solution on YOUR website!
Area of a circle = pi%2Ar%5E2
380=pi%2Ar%5E2
380%2Fpi=r%5E2
380%2F3.14=r%5E2
121.02=r%5E2
r=sqrt%28121.02%29
r = 11.001

so, the radius is 11.001 inches