Chapter 12



Chapter 12: Angles

This section of Khan Academy offers a basic tutorial on the basics of angles including naming angles, angle measurement, angles and circumference, measuring angles in degrees, using a protractor, and constructing angles.

Chapter 12: Angles (Advanced)

This is a collection of Sal Khan’s old angle videos.  It includes an introduction to angles, angles formed by transversals and parallel lines, complementary and supplementary angles, acute right and obtuse angles.