Which of the following is a property of all squares?

A

No sides are parallel.

B

Opposite sides are not congruent.

C

Opposite vertex angles are not congruent.

D

The diagonals bisect each other.

Option D) is correct

That is Option D) "The diagonals bisect each other" is correct

Step-by-step explanation:

The property of all squares is

"The diagonals of a square bisect its angles" and it can be written also also as below

"The diagonals bisect each other"

Therefore Option D) is correct

That is Option D) "The diagonals bisect each other" is correct