document.write( "Question 1027129: A roller is made by taking a cylinder of radius 3 inches and height 8 inches and removing a
\n" ); document.write( "cylinder with radius 2 inches and the same height. The roller is shown on its side in the
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Algebra.Com's Answer #642414 by KMST(5328)\"\" \"About 
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The volume of a cylinder of radius \"r\" and height \"h\" is
\n" ); document.write( "\"V%5Bcyl%5D=pi%2Ar%5E2%2Ah\" .
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\n" ); document.write( "The volume of the cylinder of radius \"3\"\"inches\" and height \"8\"\"inches\" is
\n" ); document.write( "\"pi%2A3%5E2%2A8\"\"in%5E3=72pi\"\"in%5E3\" .
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\n" ); document.write( "The volume of the removed cylinder of radius \"2\"\"inches\" and height \"8\"\"inches\" is
\n" ); document.write( "\"pi%2A2%5E2%2A8\"\"in%5E3=32pi\"\"in%5E3\" .
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\n" ); document.write( "The volume of the roller is
\n" ); document.write( "\"72in%5E3-32in%5E3=highlight%2840in%5E3%29\"
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