1. Pie Chart 1: How to read a pie chart S. Kelleher

2. Number in a category = angle of a category 3600  total no. of people

3. EXAMPLE
The pie chart shows the results of a survey of 240 students about which sports in their school were their favourite.
How many students were there in each category?

4. Number in a category = angle of a category 3600  total no. of people
Calculating the number for each category
Number in a category = angle of a category  total no. of people
HURLING =  240 = 60 students
ATHLETICS =  240 = 40 students
RUGBY =  240 = 30 students
SOCCER =  240 = 90 students
BASKETBALL =  240 = 30 students
CHECK: Total no. of students = 240 students