Suppose you are having a 6 slice pizza (cut equally into 6 pieces). After having a slice of pizza, the pizza left on the plate gives the percentage of pizza consumed in the form of:
It can be represented using what?
The pizza is circular. If the area of the pizza is 'A' and one slice of pizza is eaten, the area A/6 is missing from the plate. This is very similar to a pie chart. The blue part gives the pizza eaten and the orange part gives the pizza left.