Respuesta :

Answer:

I believe D is the answer. (Triangles BPA and DPC are congruent.)


Angles BAD and ADC are not congruent.

Sides CD and DA are also not congruent


remotecontrolbrain

The correct answer is the second choice:

<BCD + <CDA = 180

This fact implies BC and AD are parallel which is the essential property of a parallelogram.

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