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The following data shows the expenditure of a person on different items during a month. Represent the data by a piechart.

Items of Expenditure Rent Education Food Clothing Others
Amount (in Rs.) 2700 1800 2400 1500 2400

1 Answer

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Best answer

Here, total amount = 10800 rupees

So, 

The central angle = \(\frac{component\,value}{10800}\times360^\circ\)

Hence, 

the central angle for each activity will be calculated as follows

Item Amount (in Rs) Sector angel (degree)
Rent 2700 2700/10800 x 360 = 90
Education 1800 1800/10800 x 360 = 60
Food 2400 2400/10800 x 360 = 80
Clothing 1500 1500/10800 x 360 = 80
Others 2400 2400/10800 x 360 = 80

Steps for construction of representation of data in pie chart

Step 1: Draw the circle of appropriate radius. 

Step 2 : Choose a radius anywhere inside the circle. 

Step 3 : Now draw a sector of calculated component’s central angle. It is always preferable to choose component with largest central angle first and then continue in descending order of magnitude of their central angle. 

Step 4: After drawing sectors, shade them with different colours and label them as shown in the figure.

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