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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

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

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## Circle Circumference

Find the circumference of a circle given the radius or the diameter

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• Practice
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## Find the Circumference of a Circle Given Radius or Diameter Post Read

Develop understanding of concepts by studying them in a relational manner. Analyze and refine the concept by summarizing the main idea, creating visual aids, and generating questions and comments using a Four Square Concept Matrix.

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## Circle Circumference Four Square Concept Matrix

Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.

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• Real World Application