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Question

Calculate the central angle for monthly expenditure of a family on different items.
  1. 72°
  2. 90°
  3. 144°
  4. 54°


Solution

The correct option is
Central angle = % of incomeTotal income×360°

1) Food = 40100×360=144°

2) Clothing  = 25100×360=90°

3) Rent = 15100×360=54°

4) Education = 20100×360=72°

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