What are consecutive interior angles

Consecutive interior angles are angles in a polygon that share a side. As you go around the polygon, they're next to each other.

They are when u have 2 parrell lines cut by a transversal, you have 2 sets off angles, the 4 on one line and the 4 on the other, consetitive interior are the 2 sets of 2 angles, on the inside, and the r on the same side of the transversal