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

• Chord

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

• Arc

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

• Sector

• A part of the circumference of the circle

• Diameter

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

• Radius

Match each part of a circle with its definition

• The middle point of a circle

• Centre

• The perimeter of a circle

• Circumference

• A line touching a circle at one point

• Segment

• Part between a chord and an arc

• Tangent

Label the part of the circle shown in the diagram

b

centre

arc

diameter

tangent

segment

chord

radius

circumference

sector

Label the part of the circle shown in the diagram

g

tangent

radius

arc

circumference

sector

chord

segment

diameter

centre

Label the part of the circle shown in the diagram

a

circumference

segment

radius

sector

arc

diameter

chord

tangent

centre

Label the part of the circle shown in the diagram

e

tangent

circumference

chord

diameter

arc

sector

centre

radius

segment

Label the part of the circle shown in the diagram

d

arc

radius

centre

tangent

segment

circumference

sector

chord

diameter

Label the part of the circle shown in the diagram

f

circumference

diameter

chord

arc

radius

segment

tangent

sector

centre

Label the part of the circle shown in the diagram

h

sector

diameter

centre

tangent

segment

arc

radius

circumference

chord

Label the part of the circle shown in the diagram

c

chord

radius

segment

centre

sector

arc

circumference

tangent

diameter