Question

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

Explanation:

Step1: Recall adjacent - angle definition

Adjacent angles share a common side and a common vertex.

Step2: Analyze angles around the vertex

Looking at the intersection of lines, ∠3 shares a common side and vertex with ∠4.

Answer:

∠4