10.1 - Tangents to circles 10.1 pg595 Definitions Circle-...

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Tangents to circles 10.1 pg595
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Definitions Circle- the set of all pts in a plane that are equidistant from a given pt. Center- pt in the middle of the circle Radius- distance from the center of a circle to a pt on the circle Diameter- a chord that passes through the center of a circle.
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P P is the center of the circle A B Segment AB is a diameter C Segments AP, PB, and PC are radii
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Chord Chord- a segment whose end pts are on the circle. A B
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Secant Secant- a line that intersects a circle in 2 pts A B
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Tangent Tangent- line that intersects a circle in exactly one pt.
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Example tell whether the segment is best described as a chord, secant, tangent, diameter or radius Segment AH Segment EI Segment DF Segment CE A B C D E F G H I tangent Diameter Chord radius
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More Definitions Tangent circles- circles that intersect in one pt Concentric circles- circles that have a common center but different radii lengths Common tangent- a line or segment that is
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10.1 - Tangents to circles 10.1 pg595 Definitions Circle-...

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