Parts of a Circle

Match the part of a circle with its definition

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

• Arc

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

• Diameter

• A part of the circumference of the circle

• Chord

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

• Sector

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

• Radius

Match each part of a circle with its definition

• Part between a chord and an arc

• Tangent

• A line touching a circle at one point

• Circumference

• The perimeter of a circle

• Segment

• The middle point of a circle

• Centre

Label the part of the circle shown in the diagram

b

radius

centre

segment

circumference

arc

tangent

chord

sector

diameter

Label the part of the circle shown in the diagram

g

chord

segment

arc

sector

centre

radius

circumference

diameter

tangent

Label the part of the circle shown in the diagram

a

sector

radius

diameter

circumference

centre

tangent

arc

chord

segment

Label the part of the circle shown in the diagram

e

diameter

sector

arc

tangent

chord

segment

centre

circumference

radius

Label the part of the circle shown in the diagram

d

segment

sector

circumference

tangent

radius

chord

diameter

centre

arc

Label the part of the circle shown in the diagram

f

tangent

centre

diameter

circumference

radius

chord

sector

segment

arc

Label the part of the circle shown in the diagram

h

sector

segment

chord

diameter

centre

radius

arc

circumference

tangent

Label the part of the circle shown in the diagram

c

diameter

sector

centre

chord

segment

circumference

radius

arc

tangent