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.
The 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.
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.
The key
The 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.
A legend or key.
a pie a pie chart compares from a whole known and 100.
It is the key or legend.
It is the legend or key.
This is usually conveyed using a pie chart.
A pie chart is called that because it shaped as a pie. It also called a circle chart.