Technical Graphics - Tools - The Protractor

In the page on Angles we looked at angles that can be created or measured with your set squares, however there are a lot more angles and you will need a Protractor to create or measure these.

How to use a Protractor

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Exercises

Draw out the following angles :

Print out the page that is linked to here. Measure the angles on your printout, and compare your answers to the answers that you can find here.

Print out the page that is linked to here. Measure the angles of the triangles on your printout, and compare your answers to the answers that you can find here. Hint : All 3 angles in a triangle added together equal 180°.