Parts of Circle Vocabulary

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Name the shaded part of the circle (old review)

• Radius

• Secant

• Sector

• Center

• Arc

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Semicircle

What is arc DF?

• major arc

• Radius

• semicircle

• minor arc

What is arc HCG?

• major arc

• Radius

• semicircle

• minor arc

Which is 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.

Name a minor arc

• AD

• ADB

• AB

• CD

Name a major arc.

• ABD

• BDA

• BCD

• DA

What is the measurement around the outside of a circle called?

• Diameter

• Circumference

• Radius

• Center

Which best describes line AB?

• chord

• secant

• tangent

• diameter