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GCSE Geography · key term
A wedge-shaped part of a circle, bounded by two radii and an arc. Its angle represents a category’s share of the total in a pie chart.
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Specification 4.1 · Component 1, Component 2, Component 3
Revise: Constructing Pie Charts, Pictograms and Proportional CirclesEach category occupies a sector, whose angle is proportional to its share of the total.
For a pie chart, divide by the total before multiplying by 360. Percentages must total 100% and sector angles must total 360°, allowing for rounding.
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