Matching Pairs Parts of a Circle VocabularyOnline version Vocabulary terms by Sherry Tippett 1 Major Arc 2 Radius 3 Central Angle 4 Diameter 5 Chord 6 Secant 7 Point of Tangency 8 Arc 9 Semicircle 10 Tangent 11 Circle 12 Minor Arc 13 Inscribed Angle A line in the plane of the circle that intersects the circle in exactly one point. A segment whose endpoints are on the circle. An arc that is larger than a semicircle. A line, ray, or segment that intersects a circle at two points. An arc that is smaller than a semicircle. Any segment with one endpoint on the circle and the other endpoint at the center of the circle. A unique point at which a tangent line meets the circle A part of a circle named by its endpoints. A segment that contains the center of the circle and whose endpoints are on the circle. An angle whose vertex is on the circle and the sides of the angle are chords of the circle. The set of all points in a plane that are a given distance, the radius, from a given point, the center. An angle formed by two radii with the vertex at the center of the circle. Half a circle.
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