Question

A survey was conducted for 180 people in a city. 70 ate Pizza, 60 ate burgers and 50 ate chips. Draw a pie diagram for the given information.

Answer 1

Total number of people = 180

Converting the number of people who prefer various food items into components part of 360° 

Central angle of a component = `"Value of the component"/"Total value" xx 360^circ`

Items	No. of people	Central angle
Pizza	70	`70/180 xx 360^circ = 140^circ`
Burgers	60	`60/180 xx 360^circ = 120^circ`
Chips	50	`50/180 xx 360^circ = 100^circ`
Total	180	360°

Food items preferred by people: