document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=511766>Question 511766</A>: <I><SPAN STYLE=\"word-break: break-all;\"> So i need to find the surface area of a half of a cylinder. I've tried everything i know how to do and even looked online and everything, but i cannot find the surface area without a width, and on the problem there is no width.\r<BR>\n" );
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document.write( "the length is 5<BR>\n" );
document.write( "the diameter is 4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342408 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=342408\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The surface area of 1/2 a cylinder is 1/2* surface area of the whole cylinder.<BR>\n" );
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document.write( "L = the length of the cylinder = 5<BR>\n" );
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document.write( "D = diameter = 4<BR>\n" );
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document.write( "Surface area = circumference * L<BR>\n" );
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document.write( "Surface area = diameter * pi * L<BR>\n" );
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document.write( "Surface area = 4 * pi * 5 = 20 pi<BR>\n" );
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document.write( "1/2 surface area = 1/2 * 20 pi = 10 pi<BR>\n" );
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document.write( "Done. </SPAN>\n" );
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