document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=822748>Question 822748</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a given regular polygon the ratio of the interior angle to the exterior angle is 7:2. How many sides are in polygon?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #495061 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=495061\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a given regular polygon the ratio of the interior angle to the exterior angle is 7:2. How many sides are in polygon? <BR>\n" );
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document.write( "Let the exterior angle be \"x\"<BR>\n" );
document.write( "Then the interior angle is 180-x<BR>\n" );
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document.write( "180-x/x = 7/2<BR>\n" );
document.write( "7x = 360-2x<BR>\n" );
document.write( "5x = 360<BR>\n" );
document.write( "x = 72 degrees<BR>\n" );
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document.write( "# of sides = # of exterior angles = 360/72 = 5<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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