document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101274>Question 1101274</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What do you call a regular polygon if it’s exterior angle is twice the interior angle? ( show working)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715815 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=715815\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> number of sides n<BR>\n" );
document.write( "360/n is size of exterior angle.<BR>\n" );
document.write( "(n-2)/n *180 is size of internal angle<BR>\n" );
document.write( "360/n=(n-2)/n*360, multiplying the internal angle by 2<BR>\n" );
document.write( "The n in the denominator cancels<BR>\n" );
document.write( "360=360n-720<BR>\n" );
document.write( "1080=360n<BR>\n" );
document.write( "n=3, a triangle, whose internal angles are 60 deg (if regular) and external angles are 120 deg. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );