Question

The sum of all the central angles in a pie chart is 180^\circ.

In a survey of 480 students, 80 students said football is their favourite game. Find the central angle (in degrees) of the sector for football in a pie chart.

In a pie chart showing the favourite fruits of 500 people, the sector for mango has a central angle of 72^\circ. How many people like mango?

In a survey, 720 students were asked about their favourite season: Summer 120, Rainy 180, Winter 300, Spring 120. Find the central angle of each sector and describe how you would draw the pie chart.