document.write( "Question 4591: If the inside circumference of a circle is 72\" what would the outside circumferece br 6\" out from inter circle? \n" ); document.write( "
Algebra.Com's Answer #2219 by xcentaur(357)\"\" \"About 
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c=2*pi*r=72\"
\n" ); document.write( "r=72/2*pi
\n" ); document.write( "R=r+6=(72/2*pi)+6
\n" ); document.write( "C=2*pi*R
\n" ); document.write( "=2*pi
\n" ); document.write( "=2*pi
\n" ); document.write( "=72+12*pi
\n" ); document.write( "=72+(12*22/7)
\n" ); document.write( "=72+(264/7)
\n" ); document.write( "=(504+264)/7
\n" ); document.write( "=768/7
\n" ); document.write( "=109.714\"
\n" ); document.write( "
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