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Home > Maths I > Relationships > Graphs, charts and tables

Maths I

Graphs, charts and tables

# Pie charts

Pie charts can be drawn easily, if we remember the crucial fact that there are degrees about the centre of the circle. We split this up to show the different quantities.

Let us take an example, where a class of pupils were asked to toss coins. The results were heads and tails.

Method. Since we have results, we divide by , so each result is worth degrees.

Heads degrees.

Tails degrees.

You will need a protractor to do this in an exam.

Another example would be the following results of pupil Summer holidays. The results are given as percentages and need converting to degrees to be measured out and drawn.

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