Answer:
Adjacent angles are two angles in the same plane with a common <u>VERTEX</u> and a common <u>SIDE</u> but no common interior points.
Step-by-step explanation:
Adjacent angles share a common side on the same vertes, but they do not overlap each other.
In the attached image, ∠ABD is adjacent to ∠DBC, but ∠ABC is not adjacent to any of them.
