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## Angle measure in a circle where the arc length equals the radius.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

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## SLTs 13 & 14 Derive the constant of proportionality between arc length & radii (radian meaure).

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by EPISD Geometry Team //at grade

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• Lesson Plan

## Best Lesson: Radian Measure of Angles

Exploration of what one radian is and then how radian match up with degree measurements on the unit circle.

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• Study Guide