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Given quadrilateral A(2,-1) B(1,3) C(6,5) D(7,1), you want to prove that it is a parallelogram by showing opposite sides are parallel. What formula would you use?
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Given quadrilateral A(2,-1) B(1,3) C(6,5) D(7,1), you want to prove that it is a parallelogram by showing opposite sides are parallel. What formula would you use?

User Alphaneo
by
8.0k points

1 Answer

4 votes

Answer: Slope formula

Explanation:

You could show the slopes of the opposite sides are equal, and thus they are parallel.

User Ewerybody
by
9.4k points
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