To ensure charts and graphs ... Their structure is based on simple logic: The largest piece of the pie should begin at the top of the circle, and the values should follow a descending order around the ...

A quarter is one of four equal parts, so if you multiply a quarter of the pie chart by 4, you can find out what the whole is. So: In this example, there are two pie charts. When you have two pie ...

Narrator: And it’s because pie charts are so good at showing information, so easy to read ... For example, A is sixty degrees. Two fifteenths of sixty degrees is 8. And so on.