document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=864131>Question 864131</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve for the area if a regular polygon with a perimeter of 72ft and an interior angle of 170 degrees?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #520806 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=520806\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you solve for the area if a regular polygon with a perimeter of 72ft and an interior angle of 170 degrees? <BR>\n" );
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document.write( "Find the # of sides<BR>\n" );
document.write( "Ext angle = 180 - 170 = 10 degs<BR>\n" );
document.write( "360/10 = 36 sides = n<BR>\n" );
document.write( "side length = s = 72/36 = 2 ft<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area+=+ns%5E2%2Acot%28360%2Fn%29%2F4 ALIGN=MIDDLE  ALT=\"Area+=+ns%5E2%2Acot%28360%2Fn%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= 36*cot(10) sq ft<BR>\n" );
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