document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=644277>Question 644277</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you find the area of a diamond figure?<BR>\n" );
document.write( "The coordinates I have are the following:<BR>\n" );
document.write( "Q (-1,-5) U (4,5)<BR>\n" );
document.write( "A (0,2) D (4,0)\r<BR>\n" );
document.write( "\n" );
document.write( "Another Question:<BR>\n" );
document.write( "How can I prove or disprove if a shape given is a square? (This relates to finding area because I must do so after the proving or disproving of the figure).<BR>\n" );
document.write( "The coordinates are the following:<BR>\n" );
document.write( "(0,9) (6,2)<BR>\n" );
document.write( "(-1,-4) (-7,3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #404947 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=404947\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you find the area of a diamond figure?<BR>\n" );
document.write( "The coordinates I have are the following:<BR>\n" );
document.write( "Q (-1,-5) U (4,5)<BR>\n" );
document.write( "A (0,2) D (4,0)<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Q...A...U...D...Q<BR>\n" );
document.write( "-1 +0 +4 +4 -1<BR>\n" );
document.write( "-5 +2 +5 +0 -5<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Add the diagonal products starting at the upper left<BR>\n" );
document.write( "-1*2 + 0 + 0 - 4*-5 = -2 - 20 = -22<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Add the diagonal products starting at the lower left<BR>\n" );
document.write( "0 + 2*4 + 5*4  0 = 28<BR>\n" );
document.write( "==========<BR>\n" );
document.write( "ABS of the difference = 50<BR>\n" );
document.write( "Area = 50/2 = 25 sq units<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );