Pie diagram or sector diagram

Pie diagram or sector diagram

2. Pie Diagram or Sector Diagram:
It is a popular diagram and is drawn when the components are to be shown for
comparison. The total angle of the circle is 360
o
and the total quantity to be
represented is taken equal to 360
o
. The angle for each component are calculated
and these angles are made in the circle to show different components.


Example–13:
Draw a Pie diagram for the following table.

Items Expenditure
Food 2300
Clothing 1000
House Rent 1200
Education 900
Miscellaneous 600
Solution:

Items Expenditure = f Angles of a sub-sectors =
??????×360
∑??????

Food 2300
Clothing 1000
House Rent 1200
Education 900
Miscellaneous 600
∑??????= 6000





138
6000
3602300
=
 

60
6000
3601000
=
 

72
6000
3601200
=
 

54
6000
360900
=
 

36
6000
360600
=
