document.write( "Question 77695: Find the radius of a circle with circumference (pi). \n" ); document.write( "
Algebra.Com's Answer #66859 by zerosignal(28)\"\" \"About 
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you must use the formula \"r+=+c%2F%282%2Api%29\" to solve:
\n" ); document.write( " if \"c\" = pi,\r
\n" ); document.write( "\n" ); document.write( "\"r+=+pi%2F%282%2Api%29\"
\n" ); document.write( "\"r+=+1%2F2\"
\n" ); document.write( "or \"r+=+0.5\"
\n" ); document.write( "
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