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Question

Draw a pie chart for the following information. 
Number of students of class 8 using various modes of transport.
School Bus Car Cycle Walk
20 10 30 20
(1) Total number of students.
(2) Proportion of the number of students using car.
(3) Angle which is proportional to the above fraction.


Solution

drawing is not available in this system, you are smart enough i will tell you the way.

1 - for total number add all the number of students = 80
2) now for car make a fraction of number of students by car and divide by total number of syudent= 10/80
3) for calculating angle multiply the above fraction by 360 as angle of circle is 360 = 360*10/80 = 45

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