SOLUTION: What are the reasons to prove lines parallel of a parallelogram?

SOLUTION: What are the reasons to prove lines parallel of a parallelogram?

Algebra.Com

Question 413818: What are the reasons to prove lines parallel of a parallelogram?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
If you actually want to prove that something is a parallelogram...can you think of more reasons?
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