In quadrilateral ABCD, diagonals AC and BD bisect one another:

Quadrilateral ABCD is shown with diagonals AC and BD intersecting at point P.

What statement is used to prove that quadrilateral ABCD is a parallelogram? (5 points)


Angles BAD and ADC are congruent.

Corresponding angles BCD and CDA are supplementary.

Sides CD and DA are congruent.

Triangles BPA and DPC are congruent.