document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=184461>Question 184461</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I find a missin angle in a heptagon? I am given angles 142 130 122 105 and 110 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #138470 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=138470\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do I find a missing angle in a heptagon? I am given angles 142 130 122 105 and 110<BR>\n" );
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document.write( "The sum of the interior angles of an n-gon is (n-2)180<BR>\n" );
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document.write( "You've listed 5 angles so I guess you are looking for the 6th.<BR>\n" );
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document.write( "(6-2)180 = 4*180 = 720<BR>\n" );
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document.write( "720-(142+130+122+105+110) = your answer<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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