Parts of a Circle

• Radius

• Diameter

• Center

• Chord

Select each Radius in the image.

A chord that passes through the center of the circle is called the...

• Radius

• Diameter

• Arc

• circumference

What is line BD?

• Chord

• Radius

• Secant

• Tangent

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Match the following part of the circle with its correct label.

• Tangent Line

• Diameter

• Chord

• Point S

• Center

• Radius

Drag and Drop: Match the correct parts of a circle.

c

d

e

f

b

a

chord

radius

diameter

secant

center

tangent

Match the part of the circle with the term that best describes it.

• Chord

• 
• Point of Tangency

• 
• Center

• 
• Tangent

• 

Which segment is a radius?

b

ML

DC

BD

LM

Label the circle.

d

e

f

a

Radius

Minor Arc

Diameter

Chord

Secant

Tangent