document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=992735>Question 992735</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a rectangle with 4cm and 10cm is revolved about its longer side,find the volume and surface area </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #612272 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=612272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a rectangle with 4cm and 10cm is revolved about its longer side,find the volume and surface area<BR>\n" );
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document.write( "Area = 4*10 = 40 cm^2<BR>\n" );
document.write( "The centroid is 2 cm from the axis of rotation.<BR>\n" );
document.write( "Theorem of Pappus --> Vol = 40*2*2pi = 160pi cubic cm.<BR>\n" );
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document.write( "The lateral area is that of a cylinder with r = 10 cm and h = 4 cm<BR>\n" );
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