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Acc. Math Vocabulary
Vocab on unit 3
Question | Answer |
---|---|
Center | A given point from which a circle is drawn. |
Circle | The set of all points equidistant from a given point. |
Radius | A segment whose endpoints are the center and any point on the circle. |
Chord | A segment whoes endpoints are on a circle. |
Diameter | A chord that contains the center of a circle. |
Secant | A line that intersects a circle in 2 points. |
Tangent | a line, ray, or segment that intersects a circle in exactly one point. |
Central Angle | An angle whose vertex is the center of a circle. |
Arc | An unbroken part of a circle. |
Semicircle | An arc with endpoints that are the endpoints of a diameter. |
Minor Arc | An arc made by a central angle less than 180 degrees. |
Major Arc | An arc made by a central angle more than 180 degrees. |
Congruent Circles | Two circles with congeruent radii |
Congruent Arcs | Two arcs that have the same measure and are arcs of the same circle or of congruent circles. |
Inscribed Angle | An angle whose vertex is on a circle and whose sides contain chords of the circle |
Intercepted Arc | An arc that lies in the interior of an inscribed angle and has endpoints on the angle. |
Inscribed Polygon | A polygon in which all verticies lie on a circle. |
Circumscribed circle | A circle that contains an inscribed polygon. |