Save guides, add subjects and pick up where you left off with your BBC account. A pie chart can show collected data in sectors. Each sector can be labelled, or can be colour coded with a key.

Pie charts should be converted into accessible tables. It is not necessary to describe the visual attributes of the charts, e.g., red wedge, blue lines, etc., unless there is an explicit need such as ...

Pie charts are a great way to present numerical data because they make comparing the magnitude of various numbers quick and easy, while also making the larger data set appreciable at a glance.