Question

A box contains 12 red balls ,24 yellow , 20 green and 16 blue balls . calculate the central angle for yellow balls . ( as done in pie chart )​

Answer 1

Answer:

Given : a bag contains coloured balls .

 number of red balls = 12

 number of yellow balls = 18

 number of blue balls = 28

 number of green balls = 42

 number of white balls = 44

To draw : a pie chart of given data.

Pie chart is very useful in mathematics in statistics branch. it helps to understand the perplexed data by using beautiful graphics.  A pie chart is the circular statistical graphic which is divided into slices to illustrate numerical.

see figure here we have drawn a pie chart by using data.