4Q Vocabulary Review

A segment that is perpendicular to the line containing the base, drawn from the side opposite the base.

• base

• length

• altitude

• width

An angle whose vertex is the center of a circle.

• central angle

• radius

• apothem

• diameter

Part of the circumference of a circle; can be major, minor, or a semicircle.

• Central Angle

• Arc

• Chord

• Inscribed Angle

A line, segment, or ray in a plane of a circle that intersects the circle in exactly one point.

• Tangent Line

• Secant Line

• Point of Tangency

• Inscribed Angle

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

• Central Angle

• Arc

• Chord

• Inscribed Angle

Tags

CCSS.HSG.C.A.2

A segment that contains the center of the circle and whose endpoints are on the circle.

• Diameter

• Radius

• Chord

• Circumference

A segment whose endpoints are on the circle.

• Radius

• Circumference

• Arc

• Chord

A line, ray, or segment that intersects the circle at two points.

• Tangent Line

• Secant Line

• Point of Tangency

• Inscribed Angle

The point where the circle and a tangent intersect.

• Tangent Line

• Secant Line

• Point of Tangency

• Inscribed Angle

The distance around a circle.

• Diameter

• Radius

• Chord

• Circumference