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23 Cards in this Set
- Front
- Back
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circle
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the set of all points in a plane that are given distance from a given point in the plane
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center
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the given point in a plane in which all points on the circle are given equal distance from
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chord
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a segment joining two points on a circle
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concentric
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two or more coplaner circles with the same center
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diameter
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a chord that passes through the center of the circle
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radius
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a segment joining the center of a circle to a point on a circle
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Arc
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a figure consisting of two points on a circle and all points on the circle needed to connect them by a single path
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Tangent
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a line that intersects a circle at exactly one point
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Secant
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a line that intersects a circle at exactly two points
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point of tangency
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the point at which the tangent touches the circle
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line of centers
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a line joining the two centers of two circles
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Central Angle
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an angle whos vertex is at the center of the circle
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Major Arc
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an arc whose points are on or outside a central angle
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Minor Arc
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an arc whose points are on or between the sides of a central angle
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semicircle
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an arc whose endpoints are the endpoints of a diameter
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inscribed angle
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an angle whose vertex is on a circle and whose sides are determined by two chords
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tangent segment
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the part of a tangent line between the point of contact and a point outside the circle
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secant segment
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the part of a secant that joins a point outside the circle to the farther point of intersection of the secant and the circle
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Circumcenter
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a point associated with a polygon corresponding to the center of the polygon's circumscribed circle
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incenter
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a point associated with a polygon corresponding to the center of the polygon's inscribed circle
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circumscribed polygon
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a polygon each of whose sides is tangent to a circle
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inscribed polygon
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a polygon each of whose vertices lies on a circle
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circumference
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the perimeter of a circle
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