Question

measure ∠nop with the protractor and write your answer to the nearest degree. move the protractor using the central blue dot. rotate / scale the protractor using the green dot. you may shift or zoom the canvas using your mouse.

Explanation:

Step1: Place protractor center

Place the center of the protractor on point O.

Step2: Align protractor baseline

Align one side of the angle (say ON) with the 0 - degree mark of the protractor.

Step3: Read angle measure

Read the degree measure where the other side of the angle (OP) intersects the protractor scale.

Answer:

(Actual answer depends on the reading from the protractor, which cannot be determined without actually performing the measurement. But the steps above show how to measure the angle ∠NOP.)