document.write( "Question 719101: Plz solve this for me_
\n" ); document.write( "show that the points -2+i,-3+5i,1+14i,2+10i representing a parallelogram.
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Algebra.Com's Answer #441195 by KMST(5328)\"\" \"About 
You can put this solution on YOUR website!
\"A=-2%2Bi\"
\n" ); document.write( "\"B=-3%2B5i\"
\n" ); document.write( "\"C=1%2B14i\"
\n" ); document.write( "\"D=2%2B10i\"
\n" ); document.write( "\"B-A=-3%2B5i-%28-2%2Bi%29=-3%2B5i%2B2-i=-1%2B4i\" represents side AB
\n" ); document.write( "\"C-D=1%2B14i-%282%2B10i%29=1%2B14i-2-10i=-1%2B4i\" represents side DC
\n" ); document.write( "As they are the same, it means that the sides are parallel and congruent, which means ABCD is a parallelogram.
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