document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1012037>Question 1012037</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the measure of an interior angle of a regular tridecagon </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #627866 by </B><A HREF=/tutors/aboutme.mpl?userid=ValorousDawn><B>ValorousDawn(53)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ValorousDawn><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=ValorousDawn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=627866\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Recall that the sum of the angles of a n-gon is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180%28n-2%29 ALIGN=MIDDLE  ALT=\"180%28n-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Plug in the case of n=13 to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180%2A11 ALIGN=MIDDLE  ALT=\"180%2A11\"   DISABLED_style= \"max-width:90%; height:auto;\" > for the angular sum of 1980.<BR>\n" );
document.write( "Since it is regular, each of the angles are equivalent. If they are all equivalent, then the value of one is the sum divided by the number of angles, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1980%2F13 ALIGN=MIDDLE  ALT=\"1980%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The angles are roughly 152.307692 or 152<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F13 ALIGN=MIDDLE  ALT=\"4%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" >, as 1980 divided by 13 is already simplified </SPAN>\n" );
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