document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=293638>Question 293638</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the measures of the interior angles of a convex polygon is 1980. How many sides does the polygon have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #211920 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=211920\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of the measures of the interior angles of a convex polygon is 1980. How many sides does the polygon have?<BR>\n" );
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document.write( "Fact: The sum of the angles of any regular n-gon is (n-2)180 degrees.<BR>\n" );
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document.write( "Your Problem:<BR>\n" );
document.write( "(n-2)180 = 1980<BR>\n" );
document.write( "(n-2) = 11<BR>\n" );
document.write( "n = 13 sides<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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