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