Which statement about a parallelogram is always true?

The opposite angles have the same measure.

The diagonals are congruent.

The diagonals are perpendicular.

The adjacent angles are complementary.

Respuesta :

the diagonals are congruent.
The statement about a parallelogram which is always true is that the opposite angles have the same measure.
Its diagonals aren't congruent, its angles are.