CK-12 Geometry-Concepts

(Marvins-Underground-K-12) #1

6.3. Parallelograms http://www.ck12.org


24.Opposite Angles Theorem

Given:ABCDis a parallelogram with diagonalBD


Prove:^6 A∼=^6 C}}


25.Parallelogram Diagonals Theorem

Given:ABCDis a parallelogram with diagonalsBDandAC


Prove:AE∼=EC,DE∼=EB


Use the diagram below to find the indicated lengths or angle measures for problems 26-29. The two quadrilaterals
that share a side are parallelograms.


26.w
27.x
28.y
29.z
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