There is nothing for this one. You shouldn't have clicked :)

There is nothing for this one. You shouldn't have clicked :)

Part of a circle bounded by an arc and the segment joining its endpoints.

There is nothing for this one. You shouldn't have clicked :)

There is nothing for this one. You shouldn't have clicked :)

There is nothing for this one. You shouldn't have clicked :)

There is nothing for this one. You shouldn't have clicked :)

The point that is the same distance from all the points on a circle; used to name the circle.

There is nothing for this one. You shouldn't have clicked :)

The ratio of the circumference and diameter of a circle.

The length of a fraction of a circle's circumference.

There is nothing for this one. You shouldn't have clicked :)

A region bounded by an arc of the circle and the two radii to the arc's endpoints.

There is nothing for this one. You shouldn't have clicked :)

A unit of angle measure equal to an angle at the center of a circle whose arc is equal in length to the radius.

An arc with endpoints on the sides of a central or inscribed angle and its other points in the interior of the angle.

An angle whose vertex is the center of a circle.

A segment with both endpoints on a circle.

There is nothing for this one. You shouldn't have clicked :)

The point where a circle and a tangent segment intersect.

An arc that is larger than a semicircle; named by its endpoints and another point on the arc.

An angle whose vertex is on the circle and whose sides are chords of the circle.

Coplanar circles that have the same center.

A line in the plane of a circle that intersect the circle in exactly one point.

A line that intersect a circle at two points