Circle Parts Vocabulary

Identify segment OC.

• radius

• diameter

• center

• chord

Identify segment AB.

• radius

• diameter

• tangent

• chord

Identify segment DE.

• radius

• diameter

• tangent

• chord

Identify arc BD.

• minor arc

• major arc

• semicircle

• tangent

Label the name of part os the circles.

c

d

e

f

g

h

i

b

a

center

circumference

sector

chord

diameter

tangent

segment

secant

radius

Match the following vocabulary term with its appropriate part of the circle.

• Line PR

• Point of Tangency

• Minor Arc

• Point V

• Major Arc

• Semi-Circle

• Secant Line

Label the picture.

a

b

c

d

e

f

Radius

Secant

Minor Arc

Tangent

Chord

Center

Identify arc HGF.

• minor arc

• major arc

• semicircle

• chord

Identify angle MNQ.

• central angle

• inscribed angle

• circumscribed angle

• right angle

A ____________ is the set of all points in a plane equidistant from a given point.

• circle

• sphere

• compass

• radius