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What you should already know: Using a Protractor to Draw Angles

Author: Shelly Hicks

Video also on You Tube

Hi Everyone,

If you are having issues with viewing the video below, I have also posted it one You Tube.

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or here is the address http://www.youtube.com/watch?v=Lt5-d_6fgww&feature=youtu.be

What you should already know: Using a Protractor to Draw Angles

Using a Protractor to Measure

To measure and angle, place the base line of a protractor along one arm of the angle, with the center of the protractor on the vertex (labeled O) of the angle. Measure from the scale that has its 0 on the arm of the angle.

We can see from this example that the angle is 35^o

Source: http://www.kwiznet.com/p/takeQuiz.php?ChapterID=2552&CurriculumID=65&Num=1.9