Parts of a Circle

Match the part of a circle with its definition

• A part of the circumference of the circle

• Chord

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

• Radius

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

• Diameter

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

• Sector

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

• Arc

Match each part of a circle with its definition

• Part between a chord and an arc

• Tangent

• The middle point of a circle

• Centre

• The perimeter of a circle

• Circumference

• A line touching a circle at one point

• Segment

Label the part of the circle shown in the diagram

b

circumference

segment

diameter

centre

arc

radius

tangent

chord

sector

Label the part of the circle shown in the diagram

g

sector

diameter

arc

radius

centre

tangent

segment

chord

circumference

Label the part of the circle shown in the diagram

a

radius

sector

circumference

diameter

centre

segment

arc

chord

tangent

Label the part of the circle shown in the diagram

e

radius

arc

circumference

tangent

sector

chord

segment

centre

diameter

Label the part of the circle shown in the diagram

d

segment

sector

tangent

arc

radius

diameter

circumference

centre

chord

Label the part of the circle shown in the diagram

f

diameter

centre

segment

arc

chord

sector

tangent

circumference

radius

Label the part of the circle shown in the diagram

h

arc

centre

sector

segment

circumference

chord

radius

tangent

diameter

Label the part of the circle shown in the diagram

c

centre

segment

chord

circumference

sector

radius

diameter

arc

tangent