If they do not add up to 360°, something is incorrect. Image caption, To plot the pie chart, start by constructing a circle. Use a pair of compasses. Add a vertical line from the centre to the ...

Pie charts are a way to show data. 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 ...