Parts of a Circle

Name the pictured part of the circle.

• Center

• Diameter

• Radius

• Arc

Select each Radius in the image.

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

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

c

d

e

f

b

a

chord

tangent

radius

secant

center

diameter

Label each line or segment of the circle.

b

c

d

e

a

Tangent

Secant

Diameter

Chord

Radius

Label the name of part os the circles.

c

d

e

f

g

h

i

b

a

radius

center

secant

tangent

sector

circumference

diameter

chord

segment

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

• Center

• Point S

• Diameter

• Chord

• Tangent Line

• Radius

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

• chord

• secant

• diameter

• tangent

• radius