document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=323114>Question 323114</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi im really stuck on a difficult Question ! <BR>\n" );
document.write( "It asks to find the co ordinates of point B on a parrallelogram, with points A (2,7), Point C (6,3) and point D ( 1,3)\r<BR>\n" );
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document.write( "the answer is (7,7) please help asap!<BR>\n" );
document.write( "thankyou </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #231325 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=231325\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The best way is to plot the points on a graph, then<BR>\n" );
document.write( "use the fact that opposite sides of the parallelogram<BR>\n" );
document.write( "are parallel and equal length<BR>\n" );
document.write( "You can reason it out, also.<BR>\n" );
document.write( "Take the points C(6,3) and D(1,3)<BR>\n" );
document.write( "The y's of both points are the same <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+3 ALIGN=MIDDLE  ALT=\"y+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That means the line connecting these points is horizontal<BR>\n" );
document.write( "Also note the x's differ by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6+-+1+=+5 ALIGN=MIDDLE  ALT=\"6+-+1+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That means the side opposite is 5 units long<BR>\n" );
document.write( "and is also horizontal<BR>\n" );
document.write( "You are given the other point A(2,7)<BR>\n" );
document.write( "To make a horizontal line, point B must look like<BR>\n" );
document.write( "B(x,7), and the line AB must be 5 units long<BR>\n" );
document.write( "That means <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+2+%2B+5 ALIGN=MIDDLE  ALT=\"x+=+2+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+7 ALIGN=MIDDLE  ALT=\"x+=+7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Therefore B(7,7) is the missing point<BR>\n" );
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