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Class 8
>>Maths
>>Introduction to Graphs
>>Data Graphs
>>The pie chart shows four different modes
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The pie chart shows four different modes of transport to school for a group of students. Calculate the percentage of students who go to school by bus.
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Correct option is C)
The arc length of a sector, in degrees, is equal to the central angle. The total number of degrees of a circle is 360
o
. Therefore, we can use the Central angle which represents bus group is 185
o
Now, proportionating the given angle to calculate the percentage.
360
o
185
o
=
100
x
x=
360
185×100
∴ x=51.39%
∴ The percentage of students who go to school by bus is 51.39%