Circle Vocabulary

A segment that goes through a circle intersecting the circle at two points.

• diameter

• chord

• tangent

• secant

The perimeter of a circle is called...

• circumference

• arc

• radius

• tangent

A piece of the circumference is called...

• radius

• diameter

• arc

• tangent

What is AB?

• diameter

• center

• circumference

• radius

What is DE?

• diameter

• tangent

• chord

• radius

What is CE?

• diameter

• center

• circumference

• radius

What is the length L called?

• major arc

• tangent

• minor arc

• sector

Which of the following lines intersects a circle only ONCE?

• Chord

• Tangent

• Secant

• Diameter

If a circle has a radius of 16 ft. then which statement is true?

• The radius is 8 ft. 

•  The diameter is 8 ft

• The radius is 32 ft.

• The diameter is 32 ft.

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

• semi-circle arc

• major arc

• minor arc

• sector