document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=484147>Question 484147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the angles of an isosceles triangle whose third angle is ten degrees less than three times the base angles. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #331322 by </B><A HREF=/tutors/aboutme.mpl?userid=chessace><B>chessace(471)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chessace><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=chessace><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=331322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A3 = 3 * A1 - 10<BR>\n" );
document.write( "A3 + 2 * A1 = 180<BR>\n" );
document.write( "-2A1: A3 = -2 * A1 + 180<BR>\n" );
document.write( "Subtract line 3 from line 1: 0 = (3 - (-2)) * A1 - 10 - 180<BR>\n" );
document.write( "5 * A1 - 190 = 0<BR>\n" );
document.write( "A1 = 38<BR>\n" );
document.write( "A3 = 3*38-10 = 114-10 = 104<BR>\n" );
document.write( "Double check: 2(38) + 104 = 76+104 = 180<BR>\n" );
document.write( "A1=38, A2=38, A3=104 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );