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Question
The following table shows the percentages of vehicles passing a signal. Find out the measures of central angle to show the information by a pie diagram and hence draw the pie diagram.
| Type of Vehicle | Bicycle | Two wheeler | Car | Bus | Rickshaw |
| Percentage | 10 | 30 | 20 | 20 | 20 |
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Solution
| Types of vehicle | Measure of central angle |
| Bicycle | 36° |
| Two wheeler | 108° |
| Car | 72° |
| Bus | 72° |
| Rickshaw | 72° |
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