Step-by-step explanation:
the opposite angles are always same.
If you are taking one away from the other the answer is 50 degrees so try that hope this helps
=C.
Answer:
quadrilateral,parallelogram
Step-by-step explanation:
A quadrilateral is a four-sided polygon.
A parallelogram is a quadrilateral with two sets of parallel sides, much like a rectangle, but with no right angles.
You just answerd it yourself i think.......