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27 Cards in this Set
- Front
- Back
circle
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set of all points equidistant from the center
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center
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points in a plane that are equidistant
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radius
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distance from the center to a point on the outside of a circle
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congruent
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two circles with the same radi
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diameter
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distance across the circle through its center
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chord
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segment whose endpts are on the circle
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diameter
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a chord that passes through the center of the circle
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secant
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line that intersects a circle in two points
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tangent
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line in the plane of a circle that intersects the circle in exactly one point
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tangent circles
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coplanar circles that intersect on one point
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concentric
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coplanar circles with a common center
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common tangent
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a line or segment that is tangent to two coplanar circles
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interior of a circle
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consists of the points that are inside the circle
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exterior of a circle
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consists of the points that are outside the cicle
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point of tangency
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point where a tangent line intersects the circle to which it is tangent
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central angle
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angle whose vertex is the center of a circle
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measure of a minor arc
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measure of its central angle
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measure of a major arc
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defined as the difference between 360 and the measure of its associated minor arc
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congruent arcs
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two arcs of the same circle or of congruent circles
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inscribed angles
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angles whose vertex is on a circle and whose sides contain chords of a circle
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intercepted arc
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arc that lies in the interior of an angle and has endpts on the angle
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inscribed
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all of the vertices of a polygon lie on a circle
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circumscribed
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polygon in a circle
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tangent segment
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tangent to the circle at an endpoint
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secant segment
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central point to the outside of the circle
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external segment
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outside part of circle to point on circle
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standard equasion
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(x-h)+(y-k)=r
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