document.write( "Question 572059: the radius of base of a right circular cylinder is increased by 25% and its height is decreased by 10%.Find the percentage increase of volume \n" ); document.write( "

Algebra.Com's Answer #368327 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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the radius of base of a right circular cylinder is increased by 25% and its height is decreased by 10%.
\n" ); document.write( "Find the percentage increase of volume
\n" ); document.write( ":
\n" ); document.write( " $\"%28%28pi%2A%281.25r%29%5E2%2A.9h%29%29%2F%28%28pi%2Ar%5E2%2Ah%29%29\"$
\n" ); document.write( "Cancel pi and h; square 1.25;
\n" ); document.write( " $\"%28%28%281.25r%29%5E2%2A.9%29%29%2F%28%28r%5E2%29%29\"$ = $\"%28%281.5625%2Ar%5E2%2A.9%29%29%2F%28%28r%5E2%29%29\"$
\n" ); document.write( "cancel r^2
\n" ); document.write( "1.5625*.9 = 1.40625: volume increased by 40.625% \n" ); document.write( "

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