two or more it depends
A slice of a chart can be "exploded" out of it. An exploded slice is separate from the main part of the chart. An exploded pie chart has all the slices separated.
All slices can be exploded.
A legend or key.
Category Names
Data Reference
A slice of a chart can be "exploded" out of it. An exploded slice is separate from the main part of the chart. An exploded pie chart has all the slices separated.
Exploded Pie Chart
All slices can be exploded.
Exploding is the term that refers to separating the slices of a pie chart in excel.
Exploded pie chart.
Exploded Pie Chart
A legend or key.
An exploded chart is a pie chart where one or more of the slices of the pie are separated, just to give more emphasis to them.
Because it looks a bit like a pie, with the sectors as "slices".
Category Names
Data Reference
There is no need for a scale on a pie chart because the sizes of the slices are proportional to the percentage of the quantity pictured by the graph.