Question

a protractor is used on an angle. one ray of the angle is at 13° and the other ray is at 57°. what is the measure of the angle? 57° 44° 70° 13°

Explanation:

Step1: Identify angle - measure method

To find the measure of an angle using protractor - readings, subtract the smaller reading from the larger one.

Step2: Perform subtraction

$57^{\circ}-13^{\circ}=44^{\circ}$

Answer:

$44^{\circ}$