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Presentation of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsPresentation of Data4 Marks
Question
What do you mean by pie diagram? Write the steps involved in constructing it.
✓

Answer

A pie diagram is a circle diagram whose area is proportionally divided among the components it represents.
The following steps are involved in constructing it:
  1. Construct a circle of an appropriate size with a compass.
  2. Pie diagrams are usually not drawn with absolute values of a category. The values of each category are first expressed as percentage of the total value of all the categories.
  3. Each percentage figure of every component is multiplied by 3.6 to find out its respective angle.
$\Big(\frac{360^\circ}{100}=3.6^\circ\Big)$
  1. Represent various components by different shades, designs or colours for proper identification.

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