document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=134264>Question 134264</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 15 points are arranged on a circle, how many lines are needed to join every point to every other point once?\r<BR>\n" );
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document.write( "Please help me!!\r<BR>\n" );
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document.write( "- Jordan </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #98185 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=98185\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 15 points, each joined to 14 other points is 15*14 or 210\r<BR>\n" );
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document.write( "BUT, point A to point B is the SAME line as point B to point A; so half the lines are duplicates\r<BR>\n" );
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document.write( "210*(1/2)=105 </SPAN>\n" );
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