document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=260948>Question 260948</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in a regular n-gon it has interior angles of 156 so how many sides does it have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #192241 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=192241\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> easy way is this:<BR>\n" );
document.write( "180 - 156 = 24.<BR>\n" );
document.write( "take 360/24 = 12<BR>\n" );
document.write( "so, 12 sides.<BR>\n" );
document.write( "--<BR>\n" );
document.write( "you could use<BR>\n" );
document.write( "180(n-2)/n = 156<BR>\n" );
document.write( "and get<BR>\n" );
document.write( "180n  - 360 = 156n<BR>\n" );
document.write( "-360 = -24n<BR>\n" );
document.write( "n = 12 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );