I think the answer you are looking for is 1
<u><em>NOT AT ALL 100% SURE :(</em></u>
Answer C or the third one
Answer:
Alternate-exterior angles theorem.
Step-by-step explanation:
Two parallel lines are cut by a transversal, and if there are a pair of congruent angles that are outside of the parallel lines, and on opposite sides of the transversal, you will have the alternate-exterior angles theorem.
Start with the given equation:
Substitute known values:
Evaluate:
Similarly:
