Question

Annabelle used a projector to measure the angle below is Annabelle using the projector correctly explain your answer if Annabelle is using it incorrectly explain to her how to use it correctly

Answer 1

According to the given image, Annabelle measured the angle without lining up one side of the angle with 0° on the protractor.

So, we can say that Annabelle is not using the protractor correctly, the image below shows the right way.

The horizontal red line refers to the side of the angle that has to be lined up with 0° on the protractor.