Pie chart or a Pie graph

We have drawn many circles, round shaped things like ball, do you know circle is also used as a graph. This is the topic i want to discuss with you. Below you will find the definition of a pie chart and also an example for it.

Definition of a Pie chart:- Pie chart is round chart or a pie shaped chart. In other words it is a circular shaped chart.

Uses of a Pie chart:- Now, that you are aware of what a pie chart is, now lets know the uses of a pie chart. This helps us in comparing one single group out of many groups. It is used to displaying percentages. It helps us understand the information very easily. It is used in many ways like genders, age, income-expenditure and many more. This is also used even in comparing your marks in your subject. So, these are the advantages of pie chart in various field.

Below is a simple example of a Pie chart to explain you this.

The below information represents the John marks, draw the pie chart for that information

Math → 47

Science → 39

History → 53

English → 34

Geography → 45

French → 56

TOTAL = 180

Solution:

Since the angle around the centre is 360^o, therefore

Central angle = value of the component × 360^o/total value

Subject	Marks	Central angle
Math	40	80
Science	32	64
History	45	90
English	28	56
Geography	15	30
French	20	40

Total degrees = 80° + 64° + 90° + 56° + 30° + 40° = 360°

How did you find Pie chart? I am sure it has given you a clear knowledge on how you can use a pie chart on your mark sheet. Do this exercise when you get your results this time. It will surely help you improve in your academics. Let me know your views....