Select the correct answer from each drop-down menu. In the figure, and bisect each other. Complete the statements to prove that quadrilateral ABCD is a parallelogram. Statement Reason and bisect each other. given and definition of bisection m∠AEB = m∠CED SAS criterion ∠ACD ≅ ∠CAB Corresponding angles of congruent triangles are congruent. converse of Alternate Interior Angles Theorem m∠BEC = m∠AED Vertical Angles Theorem SAS criterion for congruence Quadrilateral ABCD is a parallelogram. definition of a parallelogram