In quadrilateral abcd, diagonals ac and bd bisect one another: what statement is used to prove that quadrilateral abcd is a parallelogram? answers 1)angles bad and adc are congruent. 2) corresponding angles bcd and cda are supplementary. 3)sides cd and da are congruent. 4)triangles bpa and dpc are congruent.

1) 1)Angles BAD and ADC are congruent - false the angles on the same side, the are supplementary , not congruent
2) Corresponding angles BCD and CDA are supplementary.  True, but it does not prove that that quadrilateral ABCD is a parallelogram
3)Sides CD and DA are congruent. false , they are connected to the same vertex
 4)Triangles BPA and DPC are congruent. - the answer

Answer: d. 48 step-by-step explanation: i used a calculator so i am 100% sure these are right   mark as brainliest?