document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=243894>Question 243894</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many diagonal can be drawn in 12-gon polygon<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #178600 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=178600\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the name of the polygon is dodecagon.\r<BR>\n" );
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document.write( "click on the following link to see the source of this information.\r<BR>\n" );
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document.write( "<a  rel=nofollow HREF= \"http://mathforum.org/dr.math/faq/faq.polygon.names.html\" target = \"_blank\">Naming of Polygons</a>\r<BR>\n" );
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document.write( "The formula would be:\r<BR>\n" );
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document.write( "d = n*(n-3)/2 where\r<BR>\n" );
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document.write( "d = number of diagonals<BR>\n" );
document.write( "n = number of sides of the polygon\r<BR>\n" );
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document.write( "Example:\r<BR>\n" );
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document.write( "number of diagonals in a hexagon would be:\r<BR>\n" );
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document.write( "(6 * 3) / 2 = 9\r<BR>\n" );
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document.write( "I verified this is correct.\r<BR>\n" );
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document.write( "For your 12 sides figure, the number of diagonals would be:\r<BR>\n" );
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document.write( "(12 * 9) / 2 = 108/2 = 54\r<BR>\n" );
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