document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119564>Question 1119564</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the sum of the interior angles of a regular polygon measures upto 1440 degree, 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 #735121 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=735121\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the formula for the sum of the interior angles of a regular polygon is:\r<BR>\n" );
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document.write( "S = (n-2) * 180.\r<BR>\n" );
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document.write( "when S = 1440, the formula becomes:\r<BR>\n" );
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document.write( "1440 = (n-2) * 180.\r<BR>\n" );
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document.write( "divide both sides of this equation by 180 to get:\r<BR>\n" );
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document.write( "1440/180 = n - 2\r<BR>\n" );
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document.write( "solve for n to get n = 1440/180 + 2 = 10.\r<BR>\n" );
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document.write( "the polygon has 10 sides.\r<BR>\n" );
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document.write( "it's a decagon.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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