CPM Teacher Tutorials

INT3 9.1.5: 9-61 Teacher eTool - Unit Circle and Radians (Desmos)

Updated Apr 28, 2019

Use this eTool to demonstrate/summarize students findings concerning the relationship between the radius of a circle and radian measurement.

1. Click on the BLUE points (Radians and Radius sliders) and drag horizontally to find the arc length for a particular radius and radian measure.

Previous Article INT3 9.1.4: 9-44 Teacher eTool (Desmos)
Next Article INT3 9.1.5: 9-64 Student eTool (Desmos)