Considering that the two angles are opposite by the same vertex, they are vertical, hence option C is correct.
When two angles are opposite by the same vertex, they are congruent, that is, they have the same measure, and are called vertical angles.
- In this problem, this is the case with Angle 1 and Angle 2, hence their relation is that they are vertical, and option C is correct.
To learn more about angles that are opposite by the same vertex, you can take a look at https://brainly.com/question/24733638