Geometry Vocab (final)
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9 Terms
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Sector
A region of a circle bounded by two radii and the arc between them.
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Circle
The set of all points in a plane that are equidistant from a fixed point called the center.
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Secant
A line that intersects a circle at exactly two points.
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Chord
A line segment with both endpoints on the circle.
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Arc
A portion of the circumference of a circle.
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Tangent
A line that touches a circle at exactly one point.
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Point of Tangency
The single point where a tangent line touches the circle.
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Central Angle
An angle whose vertex is the center of the circle and whose sides are radii.
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Common tangent
A line or segment that is tangent to two circles at the same time.
Note 
Flashcards (61)