Question

what is the measurement of this angle?

Explanation:

Step1: Identify the starting - zero of protractor

The protractor has an inner - scale and an outer - scale. We need to identify which zero the angle starts from.

Step2: Read the measurement

The angle starts from the left - hand zero of the outer - scale of the protractor and the other ray of the angle points to 120 on the outer - scale.

Answer:

120°