document.write( "Question 292115: What is the radius if the circumference is: (x + y)pi \n" ); document.write( "
Algebra.Com's Answer #211232 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
C=2*pi*r
\n" ); document.write( "(x+y)*pi=2*pi*r
\n" ); document.write( "x+y=2*r
\n" ); document.write( "(x+y)/2=r
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