document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1076966>Question 1076966</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The lateral surface area of a regular square pyramid is 240 m^2. If each side of its base is 10 m long, what is its slant height? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691582 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52784)</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=691582\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "In this case, the lateral surface consists of 4 (four) congruent triangles.\r<BR>\n" );
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document.write( "As the first step, find the area of one single triangle.\r<BR>\n" );
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document.write( "Knowing the area and the base length of a single triangle, find its height.\r<BR>\n" );
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document.write( "This height is exactly the slant height.\r<BR>\n" );
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document.write( "On surface area of pyramids see the lessons\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/Surface-area/Surface-area-of-pyramids.lesson>Surface area of pyramids</A>\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/geometry/Solved-problems-on-surface-area-of-pyramids.lesson>Solved problems on surface area of pyramids</A>\r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "Also, &nbsp;you have this free of charge online textbook on Geometry\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;<A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson>GEOMETRY - YOUR ONLINE TEXTBOOK</A> \r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "The referred lessons are the part if this textbook under the topic <BR>\n" );
document.write( "\"<U>Surface area of 3D solid bodies</U>\".\r<BR>\n" );
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document.write( " </SPAN>\n" );
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