Parts of Circle

What is a segment with its endpoints on the circle that passes through the center called?

• the radius

• the diameter

• the circumference

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Arc

What does the line segment on the circle represent?

• the radius

• the diameter

• the circumference

What is the length around a circle called?

• the radius

• the diameter

• the circumference

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

c

d

e

f

b

a

radius

chord

tangent

secant

center

diameter

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

• Radius

• Point S

• Chord

• Tangent Line

• Center

• Diameter

Which segment is the diameter?

c

BD

CD

CE

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

• Point of Tangency

• 
• Chord

• 
• Tangent

• 
• Center

• 

Which segment is a radius?

b

BD

LM

ML

DC

• chord

• secant

• diameter

• tangent

• radius