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GCSE Geography · key term
A graph showing the proportions of three components that together make up 100% of a whole.
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Specification 4.1 · Component 1, Component 2, Component 3
Revise: Constructing Specialised Geographical GraphsTriangular graphs show how a whole is divided between three components. Whichever you choose, give the graph a descriptive title and label its categories, scales and units.
Choose the graph to suit the data: several characteristics for a star graph, direction and magnitude for a directional radial graph, changes along a transect for a kite diagram, and three percentage components for a triangular graph.
For a triangular graph, check that the three percentages total 100%. Follow the labelled scale directions and use lines parallel to the appropriate triangle sides.
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