| Central angle of 108° = |
❨ |
108 |
x 100 |
❩ |
% of the total expenditure |
| 360 |
= 30% of the total expenditure.
From the pie chart it is clear that:
| Binding Cost + Transportation Cost |
= (20% + 10%) of the total expenditure |
|
= 30% of the total expenditure. |
∴ Binding Cost and Transportation Cost together have a central angle of 108°.
