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September 21, 2014

September 21, 2014

Posted by **EKH** on Monday, June 16, 2014 at 11:51pm.

Prove the quadrilateral is a parallelogram by using Theorem 5-7; if the diagonals of a quadrilateral bisect each other, then it is a parallelogram. (Hint: Use the Midpoint formula.)

- Geometry -
**Steve**, Monday, June 16, 2014 at 11:56pmwell, what are the diagonals?

AC and BD

midpoint of AC = (-1/2,-2)

midpoint of BD = (-1/2,-2)

Looks like the diagonals bisect each other.

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