Oldest
Introduction to angles (old)
What an angle is. Angles in a circle. Complementary and supplementary angles.
Khan Academy
Sal's old angle videos
506
09:56
Angles (part 2)
More on complementary and supplementary angles. Introduction to opposite angles.
Khan Academy
Sal's old angle videos
515
09:05
Angles (part 3)
Angles formed when a transversal intersects parallel lines.
Khan Academy
Sal's old angle videos
491
09:48
Angles formed between transversals and parallel lines
Angles of parallel lines
Khan Academy
Sal's old angle videos
476
07:52
Angles of parallel lines 2
Angles of parallel lines examples
Khan Academy
Sal's old angle videos
503
05:14
The angle game
Using what we know to solve for angles in the Angle Game.
Khan Academy
Sal's old angle videos
506
09:01
Acute right and obtuse angles
The difference between acute, obtuse and right angles
Khan Academy
Sal's old angle videos
506
05:31
