document.write( "Question 42972: A wire of length x is bent into the shape of a circle. Express the circumference C of the circle as a function of x. \n" ); document.write( "
Algebra.Com's Answer #28014 by Nate(3500)\"\" \"About 
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\"C+=+%28pi%29r%5E2\"
\n" ); document.write( "\"C\" would be the lenght of the wire:
\n" ); document.write( "\"x+=+%28pi%29r%5E2\"
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