document.write( "Question 820329: the vertices of quadrilateral abcd are a (-2,1), b(4,-2), c(8,2), d(2,5). is ABCD a aparallelogram? \n" ); document.write( "

Algebra.Com's Answer #493498 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "the vertices of quadrilateral abcd are a (-2,1), b(4,-2), c(8,2), d(2,5). 
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document.write( " ab and cd are parallel
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document.write( " bc and ad are parallel
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document.write( "abcd is a parallelogram
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