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Related Flashcards
Cards In This Set
| Front | Back |
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Circle
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The set of all points in a plane at a given
distance from a given point in the plane
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Congruent Circles
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Circles with the same radius
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Concentric Circles
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Circles that lie in the same plane that share
the same center
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Diameter
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A chord that contains the center of a circle
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Radius
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A segment from a point on a circle or a sphere
to the center
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Circumference
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Distance around a circle. This is the perimeter
of a circle.
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Semicircle
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An arc of a circle whose endpoints are of a diameter
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Arc of a Circle
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Two points on a circle and the continuous part
of the circle between the two points
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Arc Length
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A fraction of the circumference of a circle
defined by the arc
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Major Arc
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An arc of a circle whose length is greater than
the length of a semicircle of the circle
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Minor Arc
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An arc of a circle whose length is less than the
length of a semicircle of the circle
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Tangent to a Circle
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A
line that lies in the plane of a circle and that intersects the circle at
exactly one point (point of tangency).
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Chord of a Circle
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A segment whose endpoints lie on a circle
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Secant of a Circle
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A line that contains a chord
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Central Angle
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Angle whose vertex is the center of a circle and
whose sides contain radii of a circle
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