document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=617638>Question 617638</A>: <I><SPAN STYLE=\"word-break: break-all;\">   The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #388466 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=388466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I = (180(n-2))/n\r<BR>\n" );
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document.write( "160 = (180(n-2))/n\r<BR>\n" );
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document.write( "160n = 180(n-2)\r<BR>\n" );
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document.write( "160n = 180n-360\r<BR>\n" );
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document.write( "160n - 180n = -360\r<BR>\n" );
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document.write( "-20n = -360\r<BR>\n" );
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document.write( "n = -360/(-20)\r<BR>\n" );
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document.write( "n = 18\r<BR>\n" );
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document.write( "So the solution is n = 18, which means that there are 18 sides. </SPAN>\n" );
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