Question

HELPPPPPPPPPPPPPPP WILL BE MARKED BRAINLIST ;;;;;))))))

Answer 1

Answer:

Solution 2 is incorrect

Step-by-step explanation:

Alternate interior angles should equal each other if the lines are parallel

Answer 2

Answer:

  Solution 1

Step-by-step explanation:

Alternate interior angles are congruent (not supplementary), so the equation used in Solution 1 is the correct one.

Solution 2 incorrectly assumes that the given angles are supplementary. They would be if they were "same-side" interior angles, but they are not.