Question

Which statement describes a parallelogram that must be a square?

Responses

A parallelogram with perpendicular diagonals.

A parallelogram with diagonals that are congruent and perpendicular.

A parallelogram with diagonals that are congruent and opposite sides that are congruent.

A parallelogram with diagonals that bisect each other and opposite sides that are congruent.

Answer 1

A parallelogram with diagonals that bisect each other and opposite sides that are congruent.