Question

Which statement describes a parallelogram that must be a square? A parallelogram with perpendicular diagonals. A parallelogram with diagonals that are congruent and perpendicular. A parallelogram with diagonals that bisect each other and opposite sides that are congruent. A parallelogram with diagonals that are congruent and opposite sides that are congruent.

Answer 1

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

Explanation:

Real answer!

Answer 2

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

Explanation:

A square is defined as having all sides equal, and its interior angles all right angles (90°). From this it follows that the opposite sides are also parallel.