Question

which angle is vertical to ∠4? ∠1 ∠3 ∠2 ∠6

Explanation:

Step1: Recall vertical - angle definition

Vertical angles are formed when two lines intersect. They are opposite each other and have equal measures.

Step2: Identify vertical angle to ∠4

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

Answer:

∠2