document.write( "Question 868259: to isolate or solve for r in the equation SA=2pier^2=2pierh\r
\n" ); document.write( "\n" ); document.write( "*pie is the pie sign \n" ); document.write( "

Algebra.Com's Answer #523436 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
to isolate or solve for r in the equation SA=2pier^2=2pierh\r
\n" ); document.write( "\n" ); document.write( "*pie is the pie sign
\n" ); document.write( "------------
\n" ); document.write( "Too many equal signs.
\n" ); document.write( "pi is the Greek letter pi, not the dessert, pie
\n" ); document.write( "==============================
\n" ); document.write( "For a cylinder:
\n" ); document.write( " $\"SA=2pi%2Ar%5E2+%2B+2pi%2Arh\"$
\n" ); document.write( " $\"2pi%2Ar%5E2+%2B+2pi%2Arh+-+SA+=+0\"$
\n" ); document.write( "r = $\"%28-2pi%2Ah+%2B-+sqrt%284pi%5E2h%5E2+%2B+SA%2A8pi%29%29%2F%284pi%29\"$
\n" ); document.write( " \n" ); document.write( "

\n" );