document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=439488>Question 439488</A>: <I><SPAN STYLE=\"word-break: break-all;\"> IF the sum of the measures of the interior angles of a polygon is twice the sum of its exterior angles, how many sides does it have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #303729 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=303729\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> As you know the sum of exterior angels in each polygon is 360 degree.\r<BR>\n" );
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document.write( "Let n the number of angels in our polygon then the sum of interior angels is:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n-2%29%2A180 ALIGN=MIDDLE  ALT=\"%28n-2%29%2A180\"   DISABLED_style= \"max-width:90%; height:auto;\" >, since this sum is twice the sum of exterior angels we write:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n-2%29180=2%2A360 ALIGN=MIDDLE  ALT=\"%28n-2%29180=2%2A360\"   DISABLED_style= \"max-width:90%; height:auto;\" > => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n-2=%282%2A360%29%2F180 ALIGN=MIDDLE  ALT=\"n-2=%282%2A360%29%2F180\"   DISABLED_style= \"max-width:90%; height:auto;\" > => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n-2=4 ALIGN=MIDDLE  ALT=\"n-2=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=6 ALIGN=MIDDLE  ALT=\"n=6\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Answer:On the hexagon the sum of interior angels is twice of the sum of its exterior angels. </SPAN>\n" );
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