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 ...

Keys can be designed in two ways, as shown here. Note that the hole in the center of the pie should measure about 60 percent of the circle’s diameter. An alternate way to display similar information ...

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 ...