All About Angles uses colorful animations and graphics to explain what angles are, what degrees are, how angles are measured, and why angles are useful and important in our daily lives.

Originally released by Allied Video Corporation, 2004. Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2015.

Lesson One: What Are Angles? (3:14); --Lesson Two: How To Measure Angles (3:11); -- Lesson Three: How To Measure Angles (6:02); -- Lesson Four: Why Are Angles Important? (4:13); .