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Stack #4597134
| Question | Answer |
|---|---|
| Circle | A set of points in a plane such that the points are equidistant from a fixed point called the center of a circle |
| Radius | A line segment from the center of the circle to any point of |
| Central Angle | An angle who's vertex is in the center of a circle |
| Arc | any line on a circle |
| major arc | more than 180 |
| minor arc | less than 180 |
| semi circle | 180 |
| quadrant | 90 |
| central angle theorem | the measure of an arc that equals the measure of the central angle that intercepts the arc |
| chord | a line seg who's endpoints are points of a circle |
| parallel chords theorem | parallel chords intercept congruent arcs |
| congruent chords theorem | congruent chords intercept congruent arcs |
| inscribed angle | an angle whos vertex is on the circle and whose sides contain chords of the circle |
| inscribed angle theorem | the measure of an inscribed angle of a circle is equal to one-half the measure of its intercepted arc |
| Diameter | a chord that goes through the center of a circle |
| diameter/chord theorem | a diameter perpendicular to a chord bisects the chord and its arcs |
Created by:
user-2007154