Question

what is the measurement of the angle shown below? 100° 180° 80° 10°

Explanation:

Step1: Identify zero - degree line

The zero - degree line of the protractor is on the left - hand side.

Step2: Read the outer scale

We read the outer scale of the protractor as the angle is measured counter - clockwise from the zero - degree line. The angle's terminal side aligns with the 80° mark on the outer scale.

Answer:

80°