CPM Student Tutorials

CCA2 7.1.5: 7-73 Teacher eTool (Desmos)

Updated Apr 29, 2019

Unit Circle and Radians

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.

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