document.write( "Question 357957: how do you prove quadrilaterals to be parallelograms? I am just looking for a few ways. \n" ); document.write( "

Algebra.Com's Answer #255504 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi,
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document.write( "a few ways to prove a quadrilateral is a parallelogram:\r
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document.write( "Proving one of the following to be true:
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document.write( "1) Opposites sides are parallel. 
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document.write( "2) Opposite angles are congruent 
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document.write( "3) Diagonals bisect each other. 
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