document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=130236>Question 130236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the sum of the measures of the interior anles of a convex 13-gon? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #95135 by </B><A HREF=/tutors/aboutme.mpl?userid=ilana><B>ilana(307)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ilana><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=95135\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is a formula... the sum of the measures of the interior angles of a convex n-gon is (n-2)180 degrees.  For a triangle, n=3, so it's (1)180=180 degrees.  For a quadrilateral, it's (4-2)180=(2)180=360 degrees.  For a pentagon, it's (5-2)180=(3)180=540 degrees.  So plug in n=13 to see the sum of the angle measures for a 13-sided polygon. </SPAN>\n" );
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