document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=98401>Question 98401</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I calculate the sum of the Interior angles of a convex 18-gon </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #71555 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=71555\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of the exterior angles has to be 360 degrees.<BR>\n" );
document.write( "360/18 = 20 degrees is the size of each exterior angle.<BR>\n" );
document.write( "Each corresponding angle is the supplement of 20 or 160 degrees<BR>\n" );
document.write( "There are 18 exterior angles of 160 degrees each.<BR>\n" );
document.write( "18*160 = 2880 degrees is the sum of the exterior angles.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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