Question

Necessary and sufficient conditions.a Quadrilateral is said to be a parallelogram if its one pair of opposite side is equal and parallel. we have to proof this quadrilateral is a parallelogram​

Answer 1

Step-by-step explanation:

Prove that both pairs of opposite sides are parallel.

Prove that both pairs of opposite sides are congruent.

Prove that one pair of opposite sides is both congruent and parallel.

Prove that the diagonals bisect each other.