Question

what is the measure of the angle below? a. 10 degrees b. 100 degrees c. 80 degrees

Explanation:

Step1: Identify zero - degree line

The zero - degree line is on the left.

Step2: Read the scale

We read the outer scale as the angle is measured from the left - hand zero - degree line. The arrow points to 100 on the outer scale.

Answer:

B. 100 degrees