Quadrilateral ABCD has diagonals AC and BD. Which

Last updated: 8/6/2022

Quadrilateral ABCD has diagonals AC and BD. Which information is not sufficient to prove ABCD is a parallelogram? (1) AC and BD bisect each other. (2) AB CD and BC = AD (3) AB = CD and AB || CD (4) AB = CD and BC|| AD