Question

which angle is vertical to ∠4? ∠6 ∠1 ∠3 ∠5

Explanation:

Step1: Recall the definition of vertical angles

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

Step2: Identify the angle opposite to ∠4

Looking at the intersection of the lines, the angle opposite to ∠4 is ∠6.

Answer:

∠6