document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1063188>Question 1063188</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a regular polygon of n-sides is such that each interior angle is 120 degree greatet than the exterior angles. find<BR>\n" );
document.write( "1. the value of n<BR>\n" );
document.write( "2. the sum of all the interior angled. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #678225 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=678225\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The exterior angles are x<BR>\n" );
document.write( "The interior angles are x+120<BR>\n" );
document.write( "the two add to 180 degrees.<BR>\n" );
document.write( "Therefore, 2x+120=180<BR>\n" );
document.write( "2x=60<BR>\n" );
document.write( "x=30 degrees exterior angles<BR>\n" );
document.write( "all of the exterior angles (n) add to 360 degrees,<BR>\n" );
document.write( "Therefore, 360/30=12 sides<BR>\n" );
document.write( "(n-2)*180 is their sum or 1800<BR>\n" );
document.write( "150 degrees is an interior angle, and 12 of them add to 1800 degrees.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );