Parts of a Circle

What is the name of the green line?

• Radius

• Length

• Half

• Diameter

What is the name of the red line?

• Radius

• A fourth of the circle

• Diameter

• Circumference

Tags

CCSS.HSG.C.A.2

What is the length of the RADIUS of this circle?

• 5 cm

• 20 cm

• 10 cm

• 25 cm

What is the name of the orange part of the circle?

• Circumference

• Area

• Diameter

• Length

• chord

• secant

• diameter

• tangent

• radius

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

• Chord

• Tangent Line

• Center

• Radius

• Point S

• Diameter

Label each line or segment of the circle.

b

c

d

e

a

Radius

Tangent

Chord

Diameter

Secant

Label the circle.

d

e

f

a

Secant

Diameter

Minor Arc

Radius

Chord

Tangent

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

c

d

e

f

b

a

diameter

center

chord

tangent

secant

radius

Label the name of part os the circles.

c

d

e

f

g

h

i

b

a

sector

segment

diameter

chord

tangent

secant

radius

circumference

center