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Published byAmberlynn Baldwin Modified over 6 years ago

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Bell Ringer

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Circle Definition Circle : The set of points coplanar points equidistant from a given point. The given point is called the CENTER of the circle. The distance from the center to the circle is called the RADIUS. Center Radius

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Definitions Chord : The segment whose endpoints lie on the circle. C h o r d Diameter : A chord that contains the center of the circle. Diameter Secant

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Formulas Circumference Area

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CIRCUMFERENCE: Circumference is the distance around the circle. Formula:Or Example:Find the circumference of the following circle. 3 cm cm where

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Area of a Circle Area of a circle is the number of unit squares that can fit into a circle. Example:Find the area of the following circle. 3 cm Formula:

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Homework Pg. 456-457 #10-20

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