Circles
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16 Terms
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Circle
A set of points that are of equal distance to a point.
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Center
The point that all other points are equidistant to
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Radius
The distance between all other points and the center
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Diameter
Twice the radius
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Chord
A line segment connecting any two points of a circle
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Tangent
A line or ray that intersects the circle at exactly one point only
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Secant
A line or ray connecting any two points of a circle
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Sector
A fraction of the whole circle involving the center and an arc
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Segment
A fraction of the whole circle involving an arc and a chord.
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Arc
A portion of the circumference
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Circumference
Length of all the points around a circle
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Major arc
Arc which is more than 180 degrees
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Minor arc
Arc which is less than 180 degrees
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Sector Arc
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Sector Perimeter
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Sector Area
