Question

What quadrilateral has both diagonals bisecting each other but they are not congruent or perpendicular?

Answer 1

Answer:

A parallelogram with different side lengths.

Step-by-step explanation:

If we consider a parallelogram (not rectangle, not square, and not a rhombus), then its diagonals will bisect each other but would be not congruent or perpendicular. See attached image.