Protractors For Dummies

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  • Protractors for DummiesC.N. ColonDavid OjedaDe-Havaland Levy

  • Step 1Using a protractor will help you to identify anglesFirst draw an angle as displayed in the picture

  • Step 2Place protractor so that the zero line is directly on top of ray B

    DO NOT DO IT THIS WAY

  • Step 3Align the center line of the protractor directly with the vertex of the angle

  • Step 4Now find the number on the protractor where ray A passes through the curved part of the protractor

  • Step 5Voila! This angle measures 55Now its your turn