A pie chart is a type of graph used to show proportions close proportion A part-to-whole comparison. Where each part of a ratio is considered as a fraction of the whole. Eg, in the ratio 3 : 5 ...

Save guides, add subjects and pick up where you left off with your BBC account. The circle of the pie chart represents the whole. That's a full 360 degrees. Each part, or slice, represents part of ...