Thursday, May 29, 2008

Secants and tangents

Lesson 8-5
Central Angle
Central Angle Theorem
The measure of a center angle is equal to the measure of the intercepted arc.
Inscribed Angle
Intercepted Arc
Secants, Tangents, and Angle Measures
Secant – A line that intersects a circle in two points
Interior Angle Theorem
Exterior Angles
Exterior Angle Theorem
Example: Exterior Angle Theorem

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