document.write( "Question 105793: what is the area of a circle with the circumfrance of 20 \n" ); document.write( "
Algebra.Com's Answer #76983 by edjones(8007)\"\" \"About 
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A=pi*r^2
\n" ); document.write( "r=d/2
\n" ); document.write( "20/2=10
\n" ); document.write( "A=pi*10^2
\n" ); document.write( "A=pi*100
\n" ); document.write( "=314.159 ft^2
\n" ); document.write( "Ed
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