document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=117370>Question 117370</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618250220/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> seven of the angles of an octagon have measures of 90 degrees, 105 degrees, 125 degrees, 130 degrees, 150 degrees, 155 degrees, and 165 degrees. how do you find the measure of the 8th angle?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #85378 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=85378\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the sum of all interior angles of an 8 sided figure is:<BR>\n" );
document.write( "180(8-2)<BR>\n" );
document.write( "180*6<BR>\n" );
document.write( "1080<BR>\n" );
document.write( "what you have are 7 of these angles which total:<BR>\n" );
document.write( "90+105+125+130+150+155+165=920<BR>\n" );
document.write( "so the missing angle must be:<BR>\n" );
document.write( "1080-920=160 degrees. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );