document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=433800>Question 433800</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Im stuck on a proof. there is 2 spots 1 and 2 no 0 for given. Porblem: Prove that a triangle with vertices A (11,2) B(23,1), and C (2,10) is isosceles. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #300703 by </B><A HREF=/tutors/aboutme.mpl?userid=shree840><B>shree840(260)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=shree840><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=shree840><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=300703\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Isosceles means AB=AC<BR>\n" );
document.write( "A(11,2) B(23,1) C (2,10)<BR>\n" );
document.write( "AB= sq root((23-11)^2 + (1-2)^2<BR>\n" );
document.write( "   = sq root (145))'=<BR>\n" );
document.write( "Ac = sq root((11-2)^2+(2-10)^2<BR>\n" );
document.write( "   = sq root ((81+64)<BR>\n" );
document.write( "   = sq root (145)<BR>\n" );
document.write( "AB=AC so it is an isosceles triangle  ANS </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );