document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=884088>Question 884088</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (1, 4), (7, 6), (11, -6)Determine whether the three points are the vertices of a right triangle. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533993 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=533993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The easiest and less advanced way is to find the slopes between the three pair of points.  Look to see if any pair are negative reciprocals.  If yes, then perpendicular, therefore Right Angle. </SPAN>\n" );
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