Question

A quadrilateral must be a parallelogram if one pair of opposite sides is:

A. congruent
B. congruent and parallel
C. congruent and the other pair is parallel
D. parallel

Answer 1

Answer: B. congruent and parallel

Explanation:

For a quadrilateral to be a parallelogram, one pair of sides must be both congruent and parallel.

Answer: B. congruent and parallel