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definition of terms

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Term
Definition
Chord   A segment whose endpoints lie on a circle  
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Diameter   A chord that contains the center of a circle  
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Secant of a circle   A line that contains a chord  
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Tangent to a circle   A line that lies in the plane of a circle and that intersects the circle at exactly one point  
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Circle   The set of all points in a plane at a given distance from a given point in the plane  
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Radius   A segment from a point on a circle or a sphere to the center  
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Congruent circles   Circles with the same radius  
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Concentric circles   Circles that lie in the same plane that share the same center  
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Inscribed angle   Angle whose vertex lies on a circle and whose sides contain chords of the circle  
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Central Angle   Angle whose vertex is the center of a circle and whose sides contain radii of the circle  
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Circumference   Distance around a circle, that is, the perimeter of a circle  
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Arc length   A fraction of the circumference of a circle defined by the arc  
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Arc of a circle   Two points on a circle and the continuous part of the circle between the two points  
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Semicircle   An arc of a circle whose endpoints are the endpoints of a diameter  
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Minor arc   An arc of a circle whose length is less than the length of a semicircle of the circle  
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Major   An arc of a circle whose length is greater than the length of a semicircle of the circle  
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Created by: tacopimp_tinaa
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