This lesson introduces the unit circle and radians.
John just realized that his watch looks a lot like a unit circle. Help John find out the radian and degree measures of different times during the day.
In a unit circle, you can think of the relationship between degrees and radians as the relationship between an angle and the arc. Move the red point around the circle to observe this relationship.
Provides examples of converting between degrees and radians for angle measures.
Practice Conversion between Degrees and Radians questions
Set purpose for reading while providing a structure to organize notes and supporting vocabulary or mathematical examples for each concept subsection.