document.write( "Question 663534: Find the length of the radius of a circle whose circumference is 38 cm. Give exact answer. \n" ); document.write( "

Algebra.Com's Answer #412887 by kevwill(135) $\"\"$ $\"About$

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The circumference of a circle (c) is equal to the radius(r) times 2 pi.
\n" ); document.write( " $\"c+=+2%2Api%2Ar\"$
\n" ); document.write( " $\"38+=+2%2Api%2Ar\"$
\n" ); document.write( " $\"38%2F2+=+%282%2Api%2Ar%29%2F2\"$
\n" ); document.write( " $\"19+=+pi%2Ar\"$
\n" ); document.write( " $\"19%2Fpi+=+%28pi%2Ar%29%2Fpi\"$
\n" ); document.write( " $\"19%2Fpi+=+r\"$
\n" ); document.write( " $\"r+=+19%2Fpi\"$ cm
\n" ); document.write( " \n" ); document.write( "

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