Question

what is the measurement of this angle?

Explanation:

Step1: Identify scale reading

The angle is measured using a protractor. The inner - scale is used here as the zero - line of the protractor coincides with one of the angle's arms and the scale reading increases in the counter - clockwise direction.

Step2: Read the value

The other arm of the angle points to the value of 30 on the inner - scale of the protractor.

Answer:

30°