document.write( "Question 830726: Make r the subject of the formular. S=2pr^2+2pr \n" ); document.write( "

Algebra.Com's Answer #500806 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"S=2pr%5E2%2B2pr\"$
\n" ); document.write( " $\"S%2F2p=r%5E2%2Br\"$
\n" ); document.write( " $\"S%2F2p%2B1%2F4=r%5E2%2Br%2B1%2F4\"$
\n" ); document.write( " $\"S%2F2p%2B1%2F4=%28r%2B1%2F2%29%5E2\"$
\n" ); document.write( " $\"r%2B1%2F2=+%2B+%28S%2F2p%2B1%2F4%29\"$ and $\"r%2B1%2F2=+-%28S%2F2p%2B1%2F4%29\"$
\n" ); document.write( " $\"r=+-1%2F2+%2B+S%2F2p%2B1%2F4\"$ and $\"r%2B1%2F2=+-1%2F2-+S%2F2p-1%2F4\"$
\n" ); document.write( " $\"r=+S%2F2p-1%2F4\"$ and $\"r=+-S%2F2p-3%2F4\"$ \n" ); document.write( "

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