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Vocabulary
Circles
| Question | Answer |
|---|---|
| A segment whose endpoints lie on a circle. | Chord |
| A chord that contains the center of a circle. | Diameter |
| A line that contains a chord. | Secant of a Circle |
| A line that lie in the plane of a circle and that intersects the circle at exactly one point (point of tangency) | Tangent to a Circle |
| The set of all points in a plane at a given distance from a given point in the plane | Circle |
| A segment from a point on a circle or a sphere to the center. | Radius |
| Circles with the same radius. | Congruent Circles |
| Circles that lie in the same plane that share the same center. | Concentric Circles |