PIE CHARTS 1

In a survey of 60 people, 28 people said their favourite sport was football. What angle in a pie chart would this represent?

Solution

We make a fraction of 28 ot of 60, then multiply by 360⁰.

= 28 x 360⁰.

   60

= 28 x 360⁰₆

   60₁

= 28 x 6

= 168⁰.

Hence the angle is 168⁰ 

TRY THIS………………………   

In a survey of 30 people, 23 people said their favourite sport was football. What angle in a pie chart would this represent?