Uploaded January 2016 | Updated September 2026, 2 weeks ago

---

Need a custom math course? Visit http://www.MathHelp.com.

This lesson covers naming angles. 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.