document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=615055>Question 615055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the exterior of a regular polygon is 2/3 of its interior angle ,how many sides are their in the polygon.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #386909 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=386909\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the exterior of a regular polygon is 2/3 of its interior angle ,how many sides are their in the polygon.<BR>\n" );
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document.write( "the interior and corresponding exterior angl are supplementary<BR>\n" );
document.write( "ext = (2/3)interior<BR>\n" );
document.write( "ext + int = 180<BR>\n" );
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document.write( "Substitute for ext and solve for int.<BR>\n" );
document.write( "(2/3)int + int = 180<BR>\n" );
document.write( "(5/3)int = 180<BR>\n" );
document.write( "int = (3/5)180<BR>\n" );
document.write( "int = 108<BR>\n" );
document.write( "ext = 72<BR>\n" );
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document.write( "sum of the exterior angles = 360 degrees<BR>\n" );
document.write( "# of ext = 360/72 = 5<BR>\n" );
document.write( "# of sides = 5<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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