Protractors for DummiesC.N. Colon

David OjedaDe-Havaland Levy

Step 1 Using a

protractor will help you to identify angles

First draw an angle as displayed in the picture

Step 2 Place protractor

so that the zero line is directly on top of ray B

DO NOT DO IT THIS WAY

Step 3 Align the center

line of the protractor directly with the vertex of the angle

Step 4 Now find the

number on the protractor where ray A passes through the curved part of the protractor

Step 5 Voila! This angle

measures 55° Now it’s your

turn…