Question

In which of the following figures, $\mathrm{a}$ and $\mathrm{b}$ are forming a pair of adjacent angles

• A.

  

• B.

  

• C.

  

• D.

  

Answer 1

The correct option is D

Explanation of the correct option.

Define Adjacent Angles.

The properties of adjacent angles are :

1. Adjacent angles share a common vertex.
2. Adjacent angles share a common arm.
3. The Non-Common arms are on the either side of the common arm.

Since, Figure in option $\left(D\right)$ satisfying all the properties of adjacent angle.

Hence Option D is the correct answer.