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