Question

Which is not a property of a parallelogram? a: Diagonals are perpendicular. b: Opposite sides are congruent. c: Opposite angles are congruent. d: Opposite sides are parallel.

Answer 1

A

Explanation:

Diagonals are perpendicular.

This means that there have to be 90 degree angles in the parallelogram which is not true at all. They can be slanted as well!

Hope this helped :) good luck!