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Question

The monthly income of a family is Rs 14400. The monthly expenditure of the family on various items is given below.
 
Item Rent Food Clothing Education Savings
Expenditure (in Rs) 4000 5400 2800 1800 400

Represent the above data by a pie chart.


Solution

Total money=Rs 14400Central angle of each component=value of each componentsum of the values of all components×360°Calculation of central angles
 
Item Expenditure (in rupees) Central angle
Rent 4000 100°
Food 5400 135°
Clothing 2800 70°
Education 1800 45°
Savings 400 10°








Construction of pie chartSteps of construction:1. Draw a circle of any convenient radius.2. Draw a horizontal radius of this circle.3. Draw sectors whose central angles are 100°, 135°, 70°, 45° and 10°.4. Shade the sectors so obtained differently and label each one of them.Thus, we obtain the required pie chart as shown in the figure below. 


Mathematics
RS Aggarwal (2016)
Standard VIII

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