Here are two explanations that are both correct. Use whichever works for you:
what is a key called in a pie chart
A legend or key.
Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.
The key
A legend or key.
what is a key called in a pie chart
A legend or key.
Key word: percentage (that says proportion of the whole) so a Pie chart.
A pie chart with one or more slices offset is referred to as a "exploded pie chart." This design highlights specific slices by separating them from the rest of the chart, making it easier to emphasize particular data points or categories. Exploded pie charts are often used for presentations to draw attention to key segments.
Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.Each division of a pie chart is known as a slice.
The key
The key
a pie a pie chart compares from a whole known and 100.
A legend or key.
This is usually conveyed using a pie chart.
An exploded pie chart is a pie chart with one (or more) of the segments pulled away from the centre.
A pie chart is called that because it shaped as a pie. It also called a circle chart.