Circle Geometry Vocabulary

Which best describes line AB?

• chord

• secant

• tangent

• diameter

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

What is this called?

• Diameter

• Secant

• Tangent Line

• Radius

What is this called?

• Diameter

• Secant

• Central Angle

• Radius

• Secant
• Diameter
• Radius
• Chord

An arc is a smaller piece of the...

• Chord

• Center

• Circumference

• Radius

A diameter is a special chord.

• Always

• Sometimes

• Never

Which of the following lines intersects a circle only ONCE?

• Chord

• Tangent

• Secant

• Diameter

A minor arc is denoted with only 2 letters. Which of the following statements is also true of a minor arc?

• It forms half a circle.

• It forms a whole circle.

• It measures greater than 180 degrees.

• It measures less than 180 degrees.

A major arc is denoted with 3 letters. Which of the following statements is also true of a major arc?

• Forms half a circle.

• Forms a whole circle.

• Measures greater than 180 degrees.

• Measures less than 180 degrees.