PIE CHART EXAMPLES

Example 1 :

A country has three political parties , the Reds , the Blues  and the Greens. The pie chart shows the propotion of the total vote that each party received in an election.

(i)                  Find the value of x.

(ii)                What percentage of the votes did the Red party receive?

Working :

(i)                  X = 360 – 144 – 90  = 126

(ii)                40%