document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=33467>Question 33467</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078603900/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> triangle ABC has vertices at A(7,-4) B(-1,2) C(5,-6). determine whether the triangle has three, two, or no sides that are equal in length                                                         \r<BR>\n" );
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document.write( "d=    distance fromula </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #19924 by </B><A HREF=/tutors/aboutme.mpl?userid=mukhopadhyay><B>mukhopadhyay(490)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mukhopadhyay><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=19924\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The vertices are at A(7,-4); B(-1,2); C(5,-6);<BR>\n" );
document.write( "Length AB = Distance between (7,-4) and (-1,2) = Sqrt(64+36) = 10;<BR>\n" );
document.write( "Length BC = Distance between (-1,2) and (5,-6) = Sqrt(64+36) = 10;<BR>\n" );
document.write( "Length CA = Distance between (7,-4) and (5,-6) = Sqrt(4+4) = 2 sqrt(2);<BR>\n" );
document.write( "Answer: The traingle has two equal sides.<BR>\n" );
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