Question

which angle is vertical to ∠2?

Explanation:

Step1: Recall vertical - angle definition

Vertical angles are formed when two lines intersect. They are opposite each other and are congruent.

Step2: Identify vertical angle to ∠2

In the given figure, when the two lines intersect, ∠2 and ∠4 are opposite each other. So ∠4 is vertical to ∠2.

Answer:

∠4