Answer :


As we know that if two lines are parallel and cut by a transversal then the corresponding angles are equal,


Alternate interior angles are equal


Alternate exterior angles are equal,


Sum of co-interior angles is 180°.


6=2=75° (corresponding angles)


4=8=95° (corresponding angles)


Now,


Sum of co-interior angles = 75° +95° =170° ≠180°


So, AB is not parallel to CD.


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