Set of points in space that are equidistant from a given point called the center.
A segment who's endpoints are on the circle.
A line that intersects the circle in exactly two points.
Line that intersects the circle in exactly one point.
Point Of Tangentcy;
The point where the tangent line intersects the circle.
Circles that have the same radius.
Circles that have the same center.
Two coplanar circles that intersect at exactly one point.
A line that is tangent to two circles.
Chord containing the center.
Angles who's vertex is the center of the circle.
Arc that is itersepted by a central angle, less then 180.
Arc in the exterior of a central angle, more the 180.
Half a circle.
Angle whose vertex is on a circle and whose sides contain chords of the circle.