SOLUTION: 1.what is the diameter of a circle with an area of 18.1 square centimeters? 2.what is the radius of a circle with an area of 5281 square millimeters?

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Question 627107: 1.what is the diameter of a circle with an area of 18.1 square centimeters?
2.what is the radius of a circle with an area of 5281 square millimeters?
Answer by Alan3354(69443) About Me  (Show Source):
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1.what is the diameter of a circle with an area of 18.1 square centimeters?
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Area+=+pi%2Ar%5E2
r+=+sqrt%2818.1%2Fpi%29
d = 2r
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2.what is the radius of a circle with an area of 5281 square millimeters?
Do it like #1