हिंदी

Draw a pie chart showing the following information. The table shows the colours preferred by a group of people.Colours Blue, Green, Red, Yellow Total Number of people18, 9, 6, 3, 36 - Mathematics

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प्रश्न

Draw a pie chart showing the following information. The table shows the colours preferred by a group of people.

Colours Number of people
Blue 18
Green 9
Red 6
Yellow 3
Total 36

Find the proportion of each sector. For example, blue is `18/36 = 1.2` ; green is `9/36 = 1/4` and so on. Use this to find the corresponding angles.

सारिणी

उत्तर

The central angle for each colour can be calculated as follows:

Colours Number of people In fraction Central angle
Blue 18 `18/36` `18/36xx360^@ = 180^@`
Green 9 `9/36` `9/36 xx 360^@ = 90^@`
Red 6 `6/36` `6/36 xx 360^@ = 60^@`
Yellow 3 `3/36` `3/36 xx 360^@ = 30^@` 
Total 36   360°

The pie chart of the above data is as follows: 30°

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अध्याय 5: Data Handling - Exercise 5.2 [पृष्ठ ८२]

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एनसीईआरटी Mathematics [English] Class 8
अध्याय 5 Data Handling
Exercise 5.2 | Q 3 | पृष्ठ ८२

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