The given table shows the age of drivers involved in the total number of accidents during a certain year. Draw a pie chart to represent this data.
Age of drivers Percentage of accidents
Under $20$ $15 %$
$20 - 40$ $60 %$
$40 - 60$ $20 %$
Over $60$ $5 %$
Total $100 %$

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Solution

The pie chart is of circular form where $100 %$ refers to $360^{o}$ .
So, in the data under $20$ is given $15 %$ .
$100 \to 360^{o}$
$15 \to \frac{360 \times 15}{100} = 54^{o}$
$20 - 40$ is given $60 % \to \frac{360 \times 60}{100} = 216^{o}$
$40 - 60$ is given $20 % \to \frac{360 \times 20}{100} = 72^{o}$
Over $60$ is given $5 % \to \frac{360 \times 5}{100} = 18^{o}$

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