Question

which angle is vertical to ∠3? ∠2 ∠6 ∠1 ∠5

Explanation:

Step1: Recall vertical - angle definition

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

Step2: Identify vertical angle to ∠3

In the given figure, when two lines intersect, ∠3 and ∠6 are opposite each other.

Answer:

∠6