document.write( "Question 924257: Help me solve for r?
\n" ); document.write( "Please show me the steps here.\r
\n" ); document.write( "\n" ); document.write( "2(pi)(r) - pi + ((pi^2)(r)/2) = 0 \n" ); document.write( "

Algebra.Com's Answer #560816 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"2%28pi%29%28r%29+-+pi+%2B+%28%28pi%5E2%29%28r%29%2F2%29+=+0\"$
\n" ); document.write( " $\"2%28pi%29%28r%29+%2B%28%28pi%5E2%29%28r%29%2F2%29+=+pi\"$
\n" ); document.write( " $\"r%282%2Api%2Bpi%5E2%2F2%29=pi\"$
\n" ); document.write( " $\"r=pi%2F%282%2Api%2Bpi%5E2%2F2%29\"$
\n" ); document.write( " $\"r=1%2F%282%2Bpi%2F2%29\"$
\n" ); document.write( " $\"highlight%28r=2%2F%284%2Bpi%29%29\"$
\n" ); document.write( " \n" ); document.write( "

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