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Classify angles as acute, obtuse, right or straight.
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Basics of Geometry
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Animation of Types of Angles
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Learn about all types of angles under 2 minutes. Illustrates acute, right, obtuse, straight, reflex, and full angles.
MAT.GEO.104.04 (Classifying Angles - Geometry)
MAT.GEO.106 (Angle Properties and Theorems - Geometry)
MAT.GEO.106.01 (Missing Measures of Complementary and Supplementary Angles - Geometry)
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