Circle Outline - MathBitsNotebook (Geo)

Circles

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LESSONS:

* calculator link

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Prove Circles Similar

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Chords and Circles

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Tangents and Circles (definition, common tangents, theorems)

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Rules for Chords, Secants, Tangents (formulas for segments)

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Angles and Circles (central, inscribed, tangent chord, 2 chords, 2 secants, 2 tangents, secant-tangent)

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Working with BIG Circles

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Arc Length and Radian Measure

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Area of Sectors and Area of Segments

For constructions involving circles see Constructions.

PRACTICE:
•	Practice with Chords
•	Practice with Tangents
•	Practice with Segments and Circles: Chords, Secants, Tangents
•	Practice with Central and Inscribed Angles
•	Practice with Tangent/Chord and Intersecting Chords
•	Practice with Angles Outside the Circle
•	Practice with BIG Circles
•	Practice with Arc Length and Radian Measure
•	Practice with Area of Sectors and Segments
•	Practice with Circle Proofs

REFRESHERS: (while these topics are mostly "review", you may also find new information here)
•	Basic Circle Information (parts of circles, )

EXTRAS: (interesting information - not necessarily appearing on assessments)
•	Power of a Point Theorem (under construction)

Geometer's Sketchpad: (version 4.0+) Located at http://MathBits.com.
•	Examining Segments in Circles with Ready-Made Geometer's Sketchpad File
•	Constructing Tangents to Circles Using Geometer's Sketchpad
•	Examining Angles in Circles with Ready-Made Geometer's Sketchpad