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### 14 Cards in this Set

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• Back
 An angle whose vertex is at the center of a circle and whose sides are radii of he circle Central angle A line in the plane of the cirlce that intersects the circle at exactly one point. Tangent The point on a circle, where the tangent intersects the circle at exactly one point Point of Tangency The distance from the center of the cirlce to a point on the circle Radius Two or more circles that have the same center point. Concentric circles The set of all points in a plane that are a given distance from a given point circle An arc whose endpoints are the endpoints of the diameter of a circle Semi Circle Two or more circles whose radii is the same length congruent circles An arc of a circle that is smaller than a semi circle minor arc A chord which passes through the center of the circle and is the longest chord diameter An angle whose vertex is a pint on a circle and whose sides are chords of the circle inscribed angle A segment of a circle whose endpoints are points on the circle Chord An arc of a circle that is larger than a semi circle major arc Two points on a circle and the continuous part of the circle between the two points arc