Respuesta :
Answer: its pretty easy
Step-by-step explanation:
Same-side interior angles are a pair of angles on one side of a traversal line, and on the inside of the two parallel lines being intersected. The sum of same-side interior angles is equal to 180 degrees. A traversal line is a line that intersects other lines. Parallel lines are lines that run alongside each other that never intersect.
when two lines that are parallel are intersected by a transversal line