# data[].attributes.headline
standard form of the equation of a circle

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standard form of the equation of a circle

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(x – h)² + (y – k)² = r²,

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Arc Length = ((arc measure)/360) * 2πr

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A=πr²

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C=2πr or C=πd

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The vertex of the angle has to touch the circumference

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Angle whose vertex is the center of a circle

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Endpoints of an arc are the endpoints of a diameter

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Part of the circle that measures more than 180 (use 3 letters when naming)

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Part of the circle that measures less than 180 (use 2 letters when naming)

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The arc of a circle is a portion of the circumference of a circle.

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A circular sector or circle sector (symbol: ⌔), is the portion of a disk enclosed by two radii and an arc

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A line that intersects a circle in two points

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A segment whose endpoints are points on the circle

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A line that intersects a circle in exactly one point

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Distance from the center to a point on the circle

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Distance across the circle through center (is also a chord)

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a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point