document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118790>Question 118790</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Floor plans for a building have the four corners of a room located at the points (2,3), (11,6), (-3,18) and (8,21).  \r<BR>\n" );
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document.write( "For the floor plans given above, determine whether the side throught he points (2,3) and (11,6) is perpendicualr to the side throught he points (2,3) and (-3,18). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86963 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=86963\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> SLOPES OF THESE TWO LINES CONNECTING THESE POINTS WILL TELL THE STORY:<BR>\n" );
document.write( "(6-3)/(11-2)=3/9=1/3 FOR THE FIRST SLOPE.<BR>\n" );
document.write( "(18-3)/(-3-2)=15/-5=-3 FOR THE SECOND SLOPE.<BR>\n" );
document.write( "SEEING AS THESE TWO SLOPES ARE NEGATIVE RECIPRICALS OF EACH OTHER THAT SAYS THAT THESE LINES ARE PERPENDICULAR. </SPAN>\n" );
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