Answer:
Opposite angles are congruent
Explanation:
The parallelogram has parallel opposite sides and also the opposite sides are congruent. Few other properties of parallelogram are -
- It has two pairs of parallel opposite sides.
- Its diagonals bisect each other.
- It has two pairs of equal opposite angles.
- It has two pairs of equal and parallel opposite sides.
So, the answer is D.) opposite angles are congruent.