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

What statement is used to prove that quadrilateral ABCD is a parallelogram?


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.

In quadrilateral ABCD diagonals AC and BD bisect one another What statement is used to prove that quadrilateral ABCD is a parallelogram Angles BAD and ADC are c class=