document.write( "Question 182741: 7. Find the area of a circle with a circumference of 31.4 units. \n" ); document.write( "
Algebra.Com's Answer #137213 by checkley77(12844)\"\" \"About 
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Circumferance=2pir
\n" ); document.write( "31.4=2*3.14*r
\n" ); document.write( "31.4=6.28r
\n" ); document.write( "r=31.4/6.28
\n" ); document.write( "r=5 units is the radius.
\n" ); document.write( "area=pir^2
\n" ); document.write( "area=3.14^5^2
\n" ); document.write( "area=3.14*25
\n" ); document.write( "area=78.5 units for the area.
\n" ); document.write( "
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