Answer:
yes
Explanation:
You want to know if the quadrilateral can be proven to be a parallelogram if opposite angles are congruent.
Angles
The angles of a quadrilateral have a sum of 360°. If there are two pairs of congruent angles, the sum of angles of each pair must be 180°. If adjacent angles are supplementary, then opposite sides are parallel. A quadrilateral with opposite sides parallel is a parallelogram.
Yes, the figure can be proven to be a parallelogram.