document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=745457>Question 745457</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a regular polygon each interior angle is 140 degrees greater than each exterior angle. Calculate the number of sides of the polygon. How can i solve this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #453855 by </B><A HREF=/tutors/aboutme.mpl?userid=savvyhush23><B>savvyhush23(50)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=savvyhush23><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=savvyhush23><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=453855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a regular polygon each interior angle is 140 degrees greater than each exterior angle. Calculate the number of sides of the polygon. How can i solve this?\r<BR>\n" );
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document.write( "Let<BR>\n" );
document.write( "i is the interior angle<BR>\n" );
document.write( "e is the exterior angle<BR>\n" );
document.write( "n is the number of sides\r<BR>\n" );
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document.write( "The formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=i=180%28n-2%29%2Fn ALIGN=MIDDLE  ALT=\"i=180%28n-2%29%2Fn\"   DISABLED_style= \"max-width:90%; height:auto;\" >  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equation+1 ALIGN=MIDDLE  ALT=\"equation+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=e=360%2Fn ALIGN=MIDDLE  ALT=\"e=360%2Fn\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equation+2 ALIGN=MIDDLE  ALT=\"equation+2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "\"...interior angle is 140 degrees greater than each exterior angle...\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=i=e%2B140 ALIGN=MIDDLE  ALT=\"i=e%2B140\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equation+3 ALIGN=MIDDLE  ALT=\"equation+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute equation 1 and 2 to equation 3<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180%28n-2%29%2Fn=360%2Fn%2B140 ALIGN=MIDDLE  ALT=\"180%28n-2%29%2Fn=360%2Fn%2B140\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=720=40n ALIGN=MIDDLE  ALT=\"720=40n\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=18 ALIGN=MIDDLE  ALT=\"n=18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );