SOLUTION: The are of the circle is 89.42 sq.inch. What is the circumference?

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Question 533177: The are of the circle is 89.42 sq.inch. What is the circumference?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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The are of the circle is 89.42 sq.inch. What is the circumference?
Find the radius using the area:
pi%2Ar%5E2 = 89.42
r%5E2%29 = 89.42%2Fpi
r = sqrt%2889.42%2Fpi%29
r = 5.335
:
Find the circumference
C = 2*pi*5.335
C = 33.5214 inches