Parts of a Circle

Match the part of a circle with its definition

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

• Diameter

• A part of the circumference of the circle

• Radius

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

• Sector

• 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

Match each part of a circle with its definition

• The middle point of a circle

• Circumference

• A line touching a circle at one point

• Centre

• The perimeter of a circle

• Tangent

• Part between a chord and an arc

• Segment

Label the part of the circle shown in the diagram

b

circumference

segment

arc

tangent

chord

centre

radius

diameter

sector

Label the part of the circle shown in the diagram

g

diameter

segment

arc

radius

chord

circumference

sector

tangent

centre

Label the part of the circle shown in the diagram

a

sector

diameter

segment

tangent

arc

circumference

radius

centre

chord

Label the part of the circle shown in the diagram

e

chord

diameter

arc

radius

sector

segment

centre

circumference

tangent

Label the part of the circle shown in the diagram

d

centre

arc

sector

chord

circumference

tangent

diameter

segment

radius

Label the part of the circle shown in the diagram

f

chord

diameter

segment

tangent

centre

radius

sector

arc

circumference

Label the part of the circle shown in the diagram

h

radius

diameter

arc

tangent

centre

sector

circumference

chord

segment

Label the part of the circle shown in the diagram

c

radius

sector

diameter

chord

circumference

segment

centre

arc

tangent