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# Circle 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.

## Circle Circumference

Learn to find the circumference of circles given the radius or diameter.
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## Circle Circumference

Find the circumference of a circle given the radius or the diameter. EngageNY has been used for a portion of this content.
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## Circle Circumference

Find the circumference of a circle given its diameter or radius.
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0

## Circle Circumference

Learn to find the circumference of a circle given the diameter.
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• PLIX

## Circle Circumference

Circle Circumference Interactive
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• PLIX

## Circle Circumference: Fountain

Circle Circumference Interactive
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• Real World Application