document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=791382>Question 791382</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a tube of length 20 cm.The inner radius is 3 cm and the outer radius is 5cm Calculate the volume </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #479566 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=479566\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The volume of a cylinder of radius <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r ALIGN=MIDDLE  ALT=\"r\"   DISABLED_style= \"max-width:90%; height:auto;\" > and height <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h ALIGN=MIDDLE  ALT=\"h\"   DISABLED_style= \"max-width:90%; height:auto;\" > is calculated as<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2%2Ah ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2%2Ah\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "To calculate the volume of the material in a tube of length 20 cm, with an inner radius of 3 cm and an outer radius of 5 cm, we calculate<BR>\n" );
document.write( "the volume of a cylinder with a height of 20 cm and a radius of 5 cm,<BR>\n" );
document.write( "and subtract<BR>\n" );
document.write( "the volume of a cylinder with a height of 20 cm and a radius of 3 cm.<BR>\n" );
document.write( "The result, in cubic centimeters, is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A5%5E2%2A20h-pi%2A3%5E2%2A20=pi%2A20%2A%285%5E2-3%5E2%29=pi%2A20=%2825-9%29=pi%2A20%2A16=highlight%28320pi=about1005%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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