Which of the following conditions or set of conditions is sufficient for a parallelogram to be a square? (1 point) Responses Diagonals are perpendicular, and diagonals are congruent. Diagonals are perpendicular, and diagonals are congruent. Diagonals are congruent. Diagonals are congruent. All sides are congruent. All sides are congruent. The length of a diagonal is equal to the length of a side.