Question

1. Adjacent angles are two angles in the same plane with a common

and a common

but no common interior points.

Answer 1

Adjacent angles are two angles in the same plane with a common VERTEX and a common SIDE but no common interior points.

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.