# Parts of Circles

## Radius, chord, diameter, secant, and tangent.

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.

## Parts of Circles

This concept teaches students the vocabulary for the parts of circles, including lines passing through circles.
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• PLIX

## Parts of Circles: Chords

Parts of Circles Interactive
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• PLIX

## Geometry Software for Constructions: Build a Blooming Flower

Parts of Circles Interactive
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• Video

## Parts of Circles Principles

This video gives more detail about the mathematical principles presented in Parts of Circles.
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• Video

## Parts of Circles Examples

This video shows how to work step-by-step through one or more of the examples in Parts of Circles.
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• Critical Thinking

## Parts of Circles Discussion Questions

A list of student-submitted discussion questions for Parts of Circles.
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• Real World Application

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• Study Guide