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Circle Vocab
Circle Vocab
11
Mathematics
Not Applicable
12/05/2005

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Term
Circle
Definition
Set of points that are the same distance from a given point.

Round, 2 Dimensional, Has 360°
Term
Center
Definition
Fixed point from which all points of the circle are the same
Term
Diameter
Definition
Meause from one side of the circle to the other that contains the center.
Term
Radius (Singular)
Radii (Plural)
Definition
Distance from the center point to any point to any point on the circle.
Term
Chord
Definition
Line segment joining 2 points of the circle
Term
Arc
Definition
Segment of the curve
Term
Minor Arc
Definition
Arc that is less than 180°
Term
Major Arc
Definition
Arc that is more than 180°
Term
Central Angle
Definition
An angle whose vertex is the center of the circle
Term
Inscribed Angle
Definition
Angle whose vertex is onthe circle itself
Term
Sector
Definition
Area of a circle that is between 2 radii and arc they intersect
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