Angles are measured in degrees, and are classified as right, obtuse, acute, or straight. The measure of the degree of the angle determines the classification type. A right angle measures exactly 90^{o}. An obtuse angle is any angle larger than 90^{o}.

These resources are part of KET's *Measurement and Geometry *collection.

This video segment originally appeared in KET’s *GED Connection* series.

This video is available in both English and Spanish audio, along with corresponding closed captions.

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