In this case, the math is more straightforward than cutting a pie—at least at first—in two dimensions. When you’re using a compass and straight-edge, let alone if you’re allowed the luxury of a ...

A pie chart can show collected data in sectors. Each sector can be labelled, or can be colour coded with a key. When drawing a pie chart, a protractor will be used to draw the angles accurately ...

This pie is cut into surprisingly equal pieces. In this case, the math is more straightforward than cutting a pie—at least at first—in two dimensions.

Learn about pie charts with this BBC Bitesize Maths article. For students between the ages of 11 and 14.