Consider parallel lines cut by a transversal. explain which theorems, definitions, or combinations of both can be used to prove that alternate exterior angles are congruent.

Corresponding angle theorem, vertical angle theorem, and the transitive property of congruence.

Step-by-step explanation:

Considering a set of parallel lines cut by a transversal. (Refer the attached image).

Now that lines J and K are parallel, then by "corresponding angle theorem"

By "vertical angle theorem"

Using, "transitive property of congruence"

And that is our required proof. In this whole proof we have used "corresponding angle theorem", "vertical angle theorem", and the "transitive property of congruence".

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step-by-step explanation: