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प्रश्न
The following table shows causes of noise pollution. Show it by a pie diagram.
|
Construction
|
Traffic | Aircraft take offs | Industry | Trains |
| 10% | 50% | 9% | 20% | 11% |
उत्तर
The measures of central angles are given in the table.
| Cause of noise pollution | Percentage | Central Angle |
| Construction | 10% | `10/100 xx 360 = 36°` |
| Traffic | 50% | `50/100 xx 360 = 180°` |
| Aircraft take offs | 9% | `9/100 xx 360 = 32.4°` |
| Industry | 20% | `20/100 xx 360 = 72°` |
| Trains | 11% | `11/100 xx 360 = 39.6°` |
| Total | 100% |
The pie digram showing the above data is given below:
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|
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20 - 25 |
25 - 30 |
30 - 35 |
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|
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|
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|
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