document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=988130>Question 988130</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pipe 11 m long and of radius r = 5 cm is to be coated by insulation material to a thickness of &#948;r = 1 mm. Approximate the volume &#948;V of insulation material required in m^3. Please use Pi for &#960; (rather than a decimal approximation) in your answer. \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #608806 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52867)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=608806\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "First, &nbsp;estimate the surface area of the tube. &nbsp;Is is\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Api%2Ar%2AL ALIGN=MIDDLE  ALT=\"2%2Api%2Ar%2AL\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "To get the volume of the required insulation material, &nbsp;multiply this surface area by the thickness of &nbsp;&#948;r = 1 mm = 0.001 m. &nbsp;It gives you the answer:\r<BR>\n" );
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document.write( "&#948;V = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Api%2Ar%2AL ALIGN=MIDDLE  ALT=\"2%2Api%2Ar%2AL\"   DISABLED_style= \"max-width:90%; height:auto;\" >.&#948;r. \r<BR>\n" );
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