Draw a pie chart showing the following information. The table shows the colours preferred by a group of people.
The central angle for each angle can be calculated as:
Colours | Number of people | In fraction | Central angle |
Blue | 18 |
|
|
Green | 9 |
|
|
Red | 6 |
|
|
Yellow | 3 |
|
|
Pie chart of the above data:
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