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Classifying Angles

Classifying Angles

Author: Leif Park Jordan

    Demonstrate how to classify angles as either acute, obtuse, right, or straight.


    Introduce the Angle Addition Postulate, providing some examples that demonstrates adding angles and their measures.


    Demonstrate how to use a protractor to measure angles.


This packet should help a learner seeking to understand how to classify angles.

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Right Angles

This video introduces the concept of right angles and explains several real world applications of right angles.

Acute Angles

This video introduces the concept of acute angles and explains how they are related to right angles.

Obtuse Angles

This video introduces the concept of obtuse angles and provides some real world examples of obtuse angles.

Addition of Angles

This video demonstrates how to add angles.

Measuring Angles

This video explains how to use a protractor to measure angles of all kinds.