document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=678312>Question 678312</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the vertex angle of an isosceles (a+15) one of the base angles measures 7a. Find a and each angle measure </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #421267 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=421267\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
document.write( "\n" );
document.write( "(a+15) + (7a) + (7a) = 180\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "a+15 + 7a + 7a = 180\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "15a+15 = 180\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "15a = 180-15\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "15a = 165\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "a = 165/15\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "a = 11\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "a+15 = 11+15 = 26\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "7a = 7(11) = 77\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So in the end, \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "a = 11\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "a+15 = 26\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "7a = 77\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Therefore, the three angles are 26, 77, and 77 degrees.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );