SOLUTION: What formula do u use to prove that a figure is a parallelogram??

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Question 422569: What formula do u use to prove that a figure is a parallelogram??
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
There are no formulas involved. To prove that a figure is a parallelogram, you need to show that certain definitions unique to parallelograms must be true (e.g. opposite angles congruent, pairs of opposite sides congruent and parallel to each other, etc.).