document.write( "Question 458789: write a two-column proof.\r
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\n" ); document.write( "Given: BC parallel DA , BC congruent DA
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Algebra.Com's Answer #314932 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
What exactly are you trying to prove, and do I have enough background info? Just because two lines are parallel does not necessarily mean they are congruent. \n" ); document.write( "
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