document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=284187>Question 284187</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many sides does a polygon havi if the sum of its interoir angels is 3240 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #206308 by </B><A HREF=/tutors/aboutme.mpl?userid=dabanfield><B>dabanfield(803)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dabanfield><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=206308\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how many sides does a polygon havi if the sum of its interoir angels is 3240\r<BR>\n" );
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document.write( "We have a theorem that the sum of the interior angles of a polygon with n sides is equal to (n-2)*180.\r<BR>\n" );
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document.write( "So we have:\r<BR>\n" );
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document.write( "(n-2)*180 = 3240\r<BR>\n" );
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document.write( "180n - 360 = 3240<BR>\n" );
document.write( "180n = 3240-360<BR>\n" );
document.write( "180n = 2880\r<BR>\n" );
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document.write( "Solve the above equation for n. </SPAN>\n" );
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