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A=(πr^2*)/360

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L=(n*/360*)(2πr)

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Standerd Form Of The Equation Of A Circle

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Standerd Form Of The Equation Of A Circle

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(x – h)2 + (y – k)2 = r2

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A=πr^2

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C=2πr

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an angle formed by two chords in a circle which have a common endpoint.

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an angle whose vertex is the center of a circle and whose sides are radii intersecting the circle in two distinct points.

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a half of a circle or of its circumference.

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an arc of a circle having measure greater than or equal to radians.

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is an arc of a circle having measure less than or equal to the radians.

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a portion of the circumference of a circle.

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A line passing through two points on a circle

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a straight line segment whose endpoints both lie on the circle.

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it is a line through a pair of infinitely close points on the circle.

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any of the line segments from its center to its perimeter.

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any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.

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a round plane figure whose boundary consists of points equidistant from a fixed point.