Question

what is the measurement of this angle?

Explanation:

Step1: Identify the scale

The protractor has two - sets of scales. We need to use the correct one. Since the angle's initial side is aligned with the 0 - degree mark on the outer scale, we use the outer scale.

Step2: Read the measurement

The terminal side of the angle aligns with the 140 - degree mark on the outer scale.

Answer:

140