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 \degree= 180\degree
Green 9 \frac{9}{36}=\frac{1}{4} \frac{1}{4}\times 360 \degree= 90\degree
Red 6 \frac{6}{36}=\frac{1}{6} \frac{1}{6}\times 360 \degree= 60\degree
Yellow 3 \frac{3}{36}=\frac{1}{12} \frac{1}{12}\times 360 \degree= 30\degree

 

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