Given a particular angle, this lesson demonstrates how it can be drawn on a unit circle.

Given a particular angle, this lesson demonstrates how it can be drawn on a unit circle. It is 1 of 7 in the series titled "Drawing an Angle on the Unit Circle."

This lesson will show you the tools and procedures involved in drawing and labeling a ray. It is 2 of 8 in the series titled "Drawing a Ray."

This lesson will show you the tools and procedures involved in drawing and labeling a ray. It is 6 of 8 in the series titled "Drawing a Ray."

This lesson will show you the tools and procedures involved in drawing and labeling a ray.

This QuickTime movie provides an opportunity to learn about congruent/vertical angles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.