Question

which angle number represents the linear pair of ∠dga?

Explanation:

Step1: Recall linear - pair definition

Two angles are a linear pair if they are adjacent and their non - common sides are opposite rays.

Step2: Identify the linear pair of ∠DGA

∠DGA and ∠DGB are adjacent angles and their non - common sides GA and GB are opposite rays. In the given numbering, ∠DGB is represented by angle 2.

Answer:

2