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Circle Vocabulary

Definition of terms

Chord A segment whose endpoints lie on a circle
Diameter A chord that contains the center of a circle
Secant Of A Circle A line that contains a chord
Tangent To A Circle A line that lies in the plane of a circle and that intersects the circle at exactly one point
Circle The set of all points in a plane
Radius A segment from a point to another
Congruent Circles Circles with the same radius
Concentric Circles Circles that lie in the same plane
Inscribed Angle Angle whose vertex lies on a circle
Central Angle Angle whose vertex is the center
Circumference distance around a circle
Arc Length a fraction of the circumference of a circle defined by the arc
Arc of a circle two points on a circle
Semicircle an arc of a circle whose endpoints are the end
Minor Arc a circle whose length is less then the length
Major Arc a circle whose length is greater than the length
Created by: m_moreno26