Circle that contains vertices of an inscribed polygon
A segment that contains a chord of a circle, and has exactly one endpoint outside of that circle
Line that intersects at circle at two points
Two arcs with the same measure and are arcs of the same circle or congruent circles
Segment with an endpoint at the center of the circle and at a point on the circle.
A line that intersects a circle in exactly one point, the point of tangency
A segment with endpoints that are on the circle
the vertex of this angle is the center of the circle
An arc whose endpoints are the endpoints of a diameter of the circle
The distance across a circle, through its center. a chord that goes through the center of the circle.
The arc that lies in the interior of an inscribed angle and has endpoints on the angle
The part of the secant segment that is outside the circle
The set of all points in a plane that are equidistant from a given point, the center.
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