# Radian Measure

- Author:
- Jim Wysocki

Use this construction to investigate radian measure in a circle.

- Explore by choosing point C and moving it around the circle. Notice the relationship between s and the radius.
- Explore by choosing point B (but leaving C fixed) and changing the radius of the circle. What effect does it have on the radian measure?
- Click "Convert" to see how to convert the radian measure you are looking at to the more traditional degree measurements.