document.write( "Question 759158: the volume of a cylinder is 80 cubic centimeters. if the diameter and height of the cylinder are multiplied by 4/5, what is the volume of the new cylinder? \n" ); document.write( "
Algebra.Com's Answer #461884 by sachi(548)\"\" \"About 
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volume of cylinder = pi *r^2*h=80 cc (where r=radius,h=height & d=diameter)
\n" ); document.write( "now as given new cylinder wil have
\n" ); document.write( "D=4/5d or R=4/5r
\n" ); document.write( "& H=4/5h
\n" ); document.write( "so the volume = pi*R^2*H=pi*(4/5r)^2*(4/5h)=pi *16/25r^2*4/5h
\n" ); document.write( "=pi *r^2*h*(16*4/25*5)=80*64/125=40.96cc
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