Circle Outline - MathBitsNotebook (Geo)

Circles

Geometry Outline | MathBitsNotebook.com | MathBits' Teacher Resources

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indicates compatibility to NY Next Generation Math Standards (NGMS)

LESSONS:

* calculator link

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Basic Circle Information (circle terminology and notations)

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Prove Circles Similar

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Chords and Circles (line segment relationships invokving chords)

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Tangents and Circles (definition, common tangents, line segment theorems)

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

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Arcs and Central Angles

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Inscribed Angles

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Tangent Chord Angles

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Intersecting Chords Angle

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Angles Formed Outside of Circle (tangent/tangent, secant/secant, secant/tangent)

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Condensed List of Circle Angle Formulas

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Working with BIG Circles

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Arc Length and Degree Measure

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Arc Length and Radian Measure

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Area of Sectors and Segments

For constructions involving circles see Constructions.

PRACTICE:
Numeric and Algebraic Practice:
•	Practice with Chords
•	Practice with Tangents
•	Practice with Line Segments and Circles: Chords, Secants, Tangents

•	Practice with Central and Inscribed Angles
•	Practice with Angles and Tangent/Chord and Intersecting Chords
•	Practice with Angles Outside the Circle

•	Practice with BIG Circles

•	Practice with Arc Length and Degree Measure
•	Practice with Arc Length and Radian Measure

•	Practice with Area of Sectors and Segments

Proof Practice:
•	Practice: Circle Proofs and Chords
•	Practice: Circle Proofs and Inscribed Angles
•	Practice with Various Circle Proofs (more challenging)