Circle Vocabulary

What is the term for 2 chords that have a common end point on the circle?

• Radius

• Diameter

• Chord

• Secant

What do you call the distance from the center of a circle to any point on its circumference?

• Diameter

• Radius

• Circumference

• Arc

Which of the following is the longest possible chord in a circle?

• Radius

• Diameter

• Tangent

• Secant

What is the name of a line that touches the circle at exactly one point?

• Chord

• Diameter

• Tangent

• Radius

What do you call the smooth curve joining two endpoints?

• Radius

• Diameter

• Arc

• Sector

What is the term for a straight line passing from one side of a circle to the other through the center?

• Radius

• Diameter

• Chord

• Tangent

What is the area enclosed by two radii of a circle and the arc between them called? (Pie shaped)

• Segment

• Sector

• Chord

• Tangent

What do you call the outer edge of a circle?

• Circumference

• Radius

• Diameter

• Arc

What is the term for a segment that connects the center of the circle to any point on the circle's circumference?

• Chord

• Radius

• Diameter

• Tangent

What is a line that intersects a circle at two distinct points called?

• semicircle

• tangent

• secant

• central angle