To draw a pie chart, we need to represent each part of the data as a proportion of 360, because there are \(360^{\circ}\) in a circle. For example, if 55 out of 270 vehicles are vans, we will ...
A Pie is a circle, which is 360 degrees ... But, if this Pie chart represents people, then C which is 90 degrees isn’t 90 people. And 90 degrees isn’t 90 percent! Be careful!
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