Circles Intro Vocabulary

The set of points equidistant from a given point.

• Chord

• Secant

• Circle

• Tangent

Line segment from the center of the circle to on the circle

• Radius

• Diameter

• Chord

• Secant

Longest chord of a circle.

• radius

• diameter

• secant

• tangent

A line segment that goes through the circle

• Secant

• Tangent

• Circle

• Chord

Match the following vocabulary term with its appropriate part of the circle.

• Point of Tangency

• Minor Arc

• Secant Line

• Line PR

• Semi-Circle

• Point V

• Major Arc

A line segment that only touches the circle just once.

• Secant

• Tangent

• Diameter

• Chord

An angle inside a circle such that the vertex is at the center.

• Central Angle

• Inscribed Angle

• Arc Angle

• Minor Arc Angle

A portion of the edge of the circle defined by two endpoints

• Edger

• Central Angle

• Inscribed angle

• Arc

An arc with a measurement less than 180 degrees

• Minor Arc

• Major Arc

• Semicircle

• Acute Arc

An Arc that equals 180 degrees

• Minor Arc

• Major Arc

• Semicircle

• Right Arc