SOLUTION: the area of a circle is 236 square inches find the radius.

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Question 880928: the area of a circle is 236 square inches find the radius.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A+=+pi%2Ar%5E2


236+=+pi%2Ar%5E2


236%2Fpi+=+r%5E2


r%5E2+=+236%2Fpi


r+=+sqrt%28236%2Fpi%29 <--- Exact Radius (in terms of )


r+=+sqrt%28236%2F3.14%29


r+=+8.66944 <--- Approximate Radius (using the approximation )