Question

Define adjacent angles.

Answer 1

Adjacent angles: Two angles are called adjacent angles, if:

1. They have the same vertex,

2. They have a common arm, and

3. Uncommon arms are on either side of the common arm.

In the figure above,and have a common vertex.

Also, they have a common arm and the distinct arms and, lies on the opposite sides of the line.

Therefore, and are adjacent angles.