A Pie is a circle, which is 360 degrees ... But, if this Pie chart represents people, then C which is 90 degrees isn’t 90 people. And 90 degrees isn’t 90 percent! Be careful!

Pie charts show proportions of a whole. The circle of the pie chart represents the whole. That's a full 360 degrees. Each part, or slice, represents part of the whole. The bigger the slice ...