SOLUTION: find the area of a circle with a circumference of 1/2 inches

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Question 588419: find the area of a circle with a circumference of 1/2 inches

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
The formula for circumference is . Use this with C = 1/2 to solve for r:











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The area of a circle is . Plug in to find the area:












So the exact area of the circle is square inches.

If you use 3.14 for , then the approximate area is 0.019894 square inches.
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