### Acute, Right, Obtuse, and Straight Angles - YourTeacher.com

For a complete lesson on angles and measure, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn the definition of an angle and the concept of measure, including the following vocabulary: side, vertex, protractor, degrees, right angle, acute angle, obtuse angle, and straight angle. Students also learn what assumptions can and cannot be made from a given figure.

Length:
01:20