document.write( "Question 455320: What is the radius of a circle whose area is 64◘?\r
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Algebra.Com's Answer #312597 by rfer(16322)\"\" \"About 
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64=3.14*r^2
\n" ); document.write( "r^2=64/3.14
\n" ); document.write( "r^2=20.38
\n" ); document.write( "r=4.5 units
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