SOLUTION: How can I find the radius of a circle if the area is 50 square inches?

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Question 120570: How can I find the radius of a circle if the area is 50 square inches?
Answer by tutor_paul(519) About Me  (Show Source):
You can put this solution on YOUR website!
The formula for the area of a circle is:
A=%28pi%29r%5E2
You are given A, so just plug that in and solve for the radius (r):
50=%28pi%29r%5E2
r%5E2=50%2Fpi
Take the square root of both sides to find r. Use only the positive result.
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Good Luck,
tutor_paul@yahoo.com