document.write( "Question 359978: i am given a parallelagram and have two sides pareallel to eachother and the same two congruent. How do i prove the other two lines parallel? \n" ); document.write( "
Algebra.Com's Answer #256879 by robertb(5830)\"\" \"About 
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You don't have to prove that the other two sides are congruent and parallel; by definition a parallelogram has two pairs of sides that are parallel and congruent. \n" ); document.write( "
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