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GeoGebra Lesson

Alice Modified Protractor Introduction

Author:akeeler, Tzun Fung

Do not spend a lot of time on this.

You are looking for the pattern for this linear pair. Move the line using point B. What do you notice about the angles for a linear pair?

Check box the show protractor. Now that you know how to use a protractor.... how does this help you to see how linear pairs work together?

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