Parts of a Circle

Match the part of a circle with its definition

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

• 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

• Chord

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

• Arc

• A part of the circumference of the circle

• Sector

Match each part of a circle with its definition

• A line touching a circle at one point

• Tangent

• The middle point of a circle

• Centre

• The perimeter of a circle

• Segment

• Part between a chord and an arc

• Circumference

Label the part of the circle shown in the diagram

b

tangent

chord

sector

arc

segment

circumference

diameter

centre

radius

Label the part of the circle shown in the diagram

g

radius

centre

tangent

chord

arc

circumference

diameter

segment

sector

Label the part of the circle shown in the diagram

a

chord

arc

circumference

tangent

radius

diameter

sector

segment

centre

Label the part of the circle shown in the diagram

e

segment

circumference

diameter

chord

centre

sector

tangent

radius

arc

Label the part of the circle shown in the diagram

d

centre

circumference

segment

chord

tangent

arc

radius

diameter

sector

Label the part of the circle shown in the diagram

f

segment

radius

arc

circumference

diameter

centre

chord

tangent

sector

Label the part of the circle shown in the diagram

h

diameter

arc

sector

chord

circumference

radius

tangent

segment

centre

Label the part of the circle shown in the diagram

c

circumference

chord

tangent

diameter

centre

radius

segment

sector

arc