document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=603667>Question 603667</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many degrees are in a 20 sided figure?? would u take 180x180 20 times or what do I do?? I need some help on my math.'\r<BR>\n" );
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document.write( "Thank you :) <BR>\n" );
document.write( "From Rosie Jenkins.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #380771 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=380771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sum of the interior angles of an n-sided convex polygon is (n-2)180 degrees<BR>\n" );
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document.write( "Your problem:<BR>\n" );
document.write( "sum of interior angles = (20-2)*180 = 18*180 = 3240 degrees<BR>\n" );
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document.write( "Try it with a smaller number of sides to see how it works.<BR>\n" );
document.write( "3 sides: (3-2)180 = 180 ; that is a triangle<BR>\n" );
document.write( "4 sides: (4-2)180 = 360 ; that could be a square<BR>\n" );
document.write( "5 sides: (5-2)180 = 540 ; that could be a pentagon<BR>\n" );
document.write( "etc.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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