Question

Which of the following statements is not always true?

A. In a parallelogram, the diagonals are congruent.
B. In a parallelogram, both pairs of opposite sides are parallel.
C. In a parallelogram, both pairs of opposite sides have the same length.
D. In a parallelogram, the diagonals bisect each other

Answer 1

The question ask to choose among the following choices that states a statement that doesn't always tells the truth and the best answer would be letter A. In a parallelogram, the diagonals are congruent. I hope you are satisfied with my answer and feel free to ask for more 

Answer 2

Correct answer choice is:

A. In a parallelogram, the diagonals are congruent.

Step-by-step explanation:

Opposite angels of a parallelogram are congruent and the Consecutive angles are always supplementary, which means the consecutive angles are added up to 180°. If one angle of parallelogram is a square angle, then all angles are 90°. A rectangle is also a sort of parallelogram. The diagonals of a parallelogram bisect each other.