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Question
Sum of all the central angles in a pie chart is 360°.
Options
True
False
Solution
This statement is True.
Explanation:
A pie chart is a circular graph, therefore just like any other circle the sum of all its central angles is 360°.
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The sales of salesmen in a week are given in the pie diagram. Study the diagram and answer the following questions. If the total sale due to salesmen A is Rs. 18,000, then
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| Blue | 18 |
| Green | 9 |
| Red | 6 |
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| ordinary bread | 320 |
| fruit bread | 80 |
| cakes and pastries | 160 |
| biscuits | 120 |
| others | 40 |
|
Total
|
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| Age group (in years) |
No. of Persons | Measure of central angle |
| 20 – 25 | 80 | `square/200 xx 360^circ = square` |
| 25 – 30 | 60 | `60/200 xx 360^circ = square` |
| 30 – 35 | 35 | `35/200 xx square = 63^circ` |
| 35 – 40 | 25 | `25/200 xx 360^circ = square` |
| Total | 200 | `square` |
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In a pie chart a whole circle is divided into sectors.
