document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=175281>Question 175281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A regular polygon has an interior angle measure of 160 degrees. 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 #130490 by </B><A HREF=/tutors/aboutme.mpl?userid=elima><B>elima(1433)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=elima><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=130490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n-2%29180%2Fn=160 ALIGN=MIDDLE  ALT=\"%28n-2%29180%2Fn=160\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "multiply each side by n;<BR>\n" );
document.write( "(n-2)180=160n<BR>\n" );
document.write( "180n-360=160n<BR>\n" );
document.write( "180n-160n-360<BR>\n" );
document.write( "20n=360<BR>\n" );
document.write( "divide each side by 20;<BR>\n" );
document.write( "n=18<BR>\n" );
document.write( "so the number of side = 18<BR>\n" );
document.write( ":) </SPAN>\n" );
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