document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=697077>Question 697077</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have 100 points on a circle and connect every point with the other 99.  What is the maximum number of intersection points I will have in the circle?  <BR>\n" );
document.write( "I have figured out that I have 4950 chords.  Two chords which is 4 points are needed to have an intersection.  I am stuck on this.  <BR>\n" );
document.write( "thanks<BR>\n" );
document.write( "Tyler </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #429637 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=429637\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you have n lines, then there will be a max of n C 2 intersections.\r<BR>\n" );
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document.write( "So you will have 4950 C 2 = (4950*4949)/(2*1) = 12,248,775 intersections maximum. </SPAN>\n" );
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