Class 8 Maths Data Handling Drawing a pie chart

Drawing a pie chart

If the table is present with data, convert it into percentage as below. Since the angle at the center of a circle is 360°, all the data is calculated in fractions and how much angle they cover.

Subject

Liked By Students

Hours in %

In fraction

Fraction of 360°

Mathematics

20

50%

1/2

½ of 360° = 180°

English

10

25%

1/4

¼ of 360° = 90°

Science

5

12.5%

1/8

1/8 of 360° = 45°

Hindi

5

12.5%

1/8

1/8 of 360° = 45°

 

Following steps are used to draw a pie chart:

Step No.

Step

Diagram

1

Draw a circle of any radius with center O and a radius OA.

 

2

The angle for Mathematics is 180°. Use protractor to draw ∠AOB=180°.

 

3

Continue making the remaining sectors

 

 

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