document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=824671>Question 824671</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show that the triangle whose vertices A(3,6) B(-2,-4) and C(-5,2) is a right angeled triangle. FInd the area of the triangle.\r<BR>\n" );
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document.write( "MCA=1/2 MCB =-2 therefore perpendicular,<BR>\n" );
document.write( "Area=_______ units squared<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #496658 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=496658\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Show that the triangle whose vertices A(3,6) B(-2,-4) and C(-5,2) is a right angeled [sic] triangle. FInd the area of the triangle.<BR>\n" );
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document.write( "Find the slope of AC and BC.  If the product of the 2 slopes is -1, they're perpendicular and it's a right triangle.  If not, check the slope of AB and see if its slope is the negative inverse of one of the other 2.<BR>\n" );
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