True or false. Need answers please?

1) The diagonals of a rectangle must be congruent


2) The diagonals of a rectangle must bisect each other


3) The diagonals of a rectangle must be perpendicular


4) The diagonals of a square must bisect each other


5) The diagonals of a square must be congruent


6) If the diagonals of a parallelogram are congruent, the the parallelogram must be a squareTrue or false. Need answers please?
1) true


2) true


3) false


4) true


5) true


6) false it could also be a rectangleTrue or false. Need answers please?
1. TRUE


2. TRUE


3. FALSE


4. TRUE


5. TRUE


6. FALSE
sounds good