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Circle Vocabulary

Definition

TermDefinition
Chord A segment whose endpoint lie on a line
Diameter Achord that contain the center of a circle
Secant of a circle A line that contains a chord
Tagant to a circle A line that lies in the plane of a circle and that intersect the circle at exacly one point (point of tangency)
Circle ` The set of all point in a plane at a given distance from given point in the plane
Radius A segment from a point on a circle or a sphere to the center
Congrugent Circle Circles with the same radius
Concetric Circle Circles the lie in the same plane that share the same center
Incribed Angle Angle whose vertex lies on a circle and whose sides contain chrods of the circle
Central Angle Angle whose vertex is the center of a circle and whose sides contain radii of the circle
Circumference Distance around a circle, that is , the perimeter of a circle
Arc Lenght A fraction of the circumference of a circle defined by the arc
Arc of a Circle Two points an a circle and continuous part of the circle between the two point
Semicircle An arc of a circle whose endpoint are the endpoint of a diameter
Minor Arc An arc of a circle whose lenght is less than the lenght of a circle
Major Arc An arc of a circle whose lenght is greater than the lenght of a semicircle of the circle
Created by: Dat Boii Felipe
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