document.write( "Question 452774: solve for pi:A=pi r^2
\n" ); document.write( "note:i am using (pi) being that I can not put the symbol in with a keyboard.
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Algebra.Com's Answer #311172 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
pi=A/r^2 \n" ); document.write( "
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