document.write( "Question 581910: What is the exact area of a circle with a diameter of 31 inches? \n" ); document.write( "
Algebra.Com's Answer #371860 by stanbon(75887)\"\" \"About 
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What is the exact area of a circle with a diameter of 31 inches?
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\n" ); document.write( "Area = pi*r^2
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\n" ); document.write( "Area = (pi)(15.5)^2 = 240.25(pi) sq in
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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