Question

Find central angle of a pie-chart. If value of a data is 70 out of 180.​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

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Explanation:

In any sector, there are 3 parts to be considered:

The arc length is a fraction of the circumference. The sector area is a fraction of the whole area. The sector angle is a fraction of 360°

If the sector is 20% of the pie chart, then each of these parts is 20% of the whole.

20%×360°

20100×360=72°