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# Diameter or Radius of a Circle Given Circumference

## C = πd; C = 2πr

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.

## Circumference of Circles (B-2, B-3, C-2)

by LISD Secondary Math //basic
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## The Circle

by Kyle Bardman //basic
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• Flashcards

## Diameter or Radius of a Circle Given Circumference

by Ellaine Chou //basic
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## Circumference of Circles

by Ellaine Chou //basic
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## Calculating Circles' Measurements

by Galaxy Portillo //basic