The data given below shows number of hours spent by a school boy on different activities on a working day.
The data given below shows number of hours spent by a school boy on different activities on a working day.
Represent the above data by a pie chart.
Total number of hours $=24$
Central angle of each component $=\left(\frac{\text { number of hours spent on each activity }}{\text { total number of hours }} \times 360\right)^{\circ}$
Calculation of central angles
Construction of pie chart
Steps 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 $105^{\circ}, 60^{\circ}, 30^{\circ}, 120^{\circ}$ and $45^{\circ}$.
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.
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