document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213741>Question 213741</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3 angles of an octagon are x each.if the other  angles are 20 more than each of the other 3 find x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161473 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=161473\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3 angles of an octagon are x each.if the other angles are 20 more than each of the other 3 find x<BR>\n" );
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document.write( "If \"x\" is the interior angle, 180-x is the exterior angle.<BR>\n" );
document.write( "If \"x+20\" is the interior angle, 160-x is the exterior angle.<BR>\n" );
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document.write( "The sum of the exterior angles is 360.<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "3(180-x)+5(160-x) = 360<BR>\n" );
document.write( "540-3x+800-5x = 360<BR>\n" );
document.write( "-8x+1340 = 360<BR>\n" );
document.write( "-8x = -980<BR>\n" );
document.write( "x = 122.5 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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