Which description does not guarantee that a quadrilateral is a parallelogram? quadrilateral with two opposite sides parallel a quadrilateral with the diagonals bisecting each other a quadrilateral with consecutive angles supplementary a quadrilateral with both pairs of opposite sides congruent

Option b is right

Step-by-step explanation:

A parallelogram has the following properties

i) Diagonals bisect each other.

Hence option a is false

ii) True because in a trapezium consective angles in pairs are supplementary but not a parallelovram

iii) In a parallelogram, both pairs of opposite sides are congruent hence false