Question

what specific measure of a geometric figure is shown in the image?
a. a 100° angle
b. an 80° angle
c. a 100 mm side length
d. a 180 mm side length

Explanation:

Step1: Identify the tool

The tool shown is a protractor, which is used to measure angles.

Step2: Read the protractor

The protractor scale is in degrees. Looking at the angle measurement, the inner scale (assuming the correct alignment) shows \(80^{\circ}\).

Answer:

B. An \(80^{\circ}\) angle