The answer is greater than the original number
Yes, we can prove that the given figure is a parallelogram.
From the given figure, we can see that the given quadrilateral opposite angles and congruent. And we know that if a quadrilateral has two opposite angles congruent, then the quadrilateral is a parallelogram.
Therefore, we can say that the given figure is a parallelogram.
From the given options, second option is correct.
Therefore, the correct option is:-
Yes, opposite angles are congruent.