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PLEASE HELP ASAP

What reason completes the proof below?

A. Alternate interior angles theorem
B. Corresponding angles postulate
C. Alternate exterior angles theorem
D. Same-side interior angles theorem

PLEASE HELP ASAP What reason completes the proof below? A. Alternate interior angles-example-1

1 Answer

4 votes
D. Transversal Intersects between the two parallel lines of angles 1 and two making them supplementary
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