Parts of a Circle

Match the part of a circle with its definition

• A straight line that joins two points on the circumference of a circle

• Arc

• A line that crosses a circle, passing through the centre

• Chord

• A part of the circumference of the circle

• Radius

• A part of a circle formed by two radii and an arc

• Diameter

• A line from the centre of the circle to a point on the circumference

• Sector

Match each part of a circle with its definition

• Part between a chord and an arc

• Segment

• A line touching a circle at one point

• Tangent

• The middle point of a circle

• Circumference

• The perimeter of a circle

• Centre

Label the part of the circle shown in the diagram

b

segment

arc

circumference

tangent

centre

sector

chord

radius

diameter

Label the part of the circle shown in the diagram

g

centre

arc

diameter

tangent

sector

segment

circumference

radius

chord

Label the part of the circle shown in the diagram

a

sector

radius

chord

diameter

centre

circumference

arc

tangent

segment

Label the part of the circle shown in the diagram

e

diameter

tangent

chord

circumference

segment

centre

arc

sector

radius

Label the part of the circle shown in the diagram

d

circumference

chord

tangent

sector

arc

radius

diameter

centre

segment

Label the part of the circle shown in the diagram

f

centre

radius

sector

tangent

diameter

arc

chord

circumference

segment

Label the part of the circle shown in the diagram

h

circumference

diameter

arc

tangent

segment

sector

radius

centre

chord

Label the part of the circle shown in the diagram

c

segment

arc

chord

sector

radius

tangent

diameter

centre

circumference