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Get Answers to all your Questions
3. Draw a pie chart showing the following information.
The table shows the colours preferred by a group of people.
Answers (1)
| colours | number of people | in fraction | central angles |
| Blue | 18 | $\frac{18}{36}=\frac{1}{2}$ | $\frac{1}{2} \times 360^{\circ}=180^{\circ}$ |
| Green | 9 | $\frac{9}{36}=\frac{1}{4}$ | $\frac{1}{4} \times 360^{\circ}=90^{\circ}$ |
| Red | 6 | $\frac{6}{36}=\frac{1}{6}$ | $\frac{1}{6} \times 360^{\circ}=60^{\circ}$ |
| Yellow | 3 | $\frac{3}{36}=\frac{1}{12}$ | $\frac{1}{12} \times 360^{\circ}=30^{\circ}$ |
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