Circles definitions

The set of points equidistant from a given point (the center)

• Circle

• Diameter

• Arc

• Tangent

A line segment drawn from the center of a circle to any point on the circle

• Diameter

• Arc

• Radius

• Tangent

A line segment whose endpoints are points on the circle

• Secant

• Diameter

• Arc

• Chord

A line segment with endpoints on the circle that passes through the center of a circle

• Diameter

• Secant

• Tangent

• Intercepted Arc

A line that intersects a circle at exactly 1 point

• Secant

• Tangent

• Arc

• Intercepted Arc

A line that intersects a circle at exactly 2 points

• Diameter

• Intercepted Arc

• Secant

• Arc

A section of the circle between two points on the circle.

• Arc

• Intercepted Arc

• Secant

• Chord

An arc that is defined by the endpoints of chords.

• Arc

• Secant

• Intercepted Arc

• Radius