Definition and Equation of a Circle
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Last updated 3:44 PM on 9/10/23
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8 Terms
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* The set of all Points *P* having the same distance from the center *C*
* A closed figure made up of all those points in a plane that are at the same distance from a fixed point
* A closed figure made up of all those points in a plane that are at the same distance from a fixed point
Circle
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* Point *C* is called
* Also called **fixed point**
* Also called **fixed point**
Center of the Circle
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Common distance from the Center
Radius
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A chord passing through the center of a circle
Diameter
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A line segment joining two points on a circle
Chord
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A line intersects two points on a curve
Secant Line
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* A line that touches a curve at a point
* A line perpendicular to the center of a circle
* A line perpendicular to the center of a circle
Tangent Line
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* Perimeter of a circle
Circumference
