Spotting a misleading similar-solid graphic
Spotting a misleading similar-solid graphic
Secondary 2
3 marks
TGM Original Questions
Optional extension
A report uses two geometrically similar cylinders of diameters \(80\) cm and \(40\) cm to claim that output has fallen by one half. Explain why the graphic is mathematically misleading.[3]
Solution:
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Answer:The picture represents an \(87.5\%\) fall (volume ratio \(1:8\)), not a \(50\%\) fall.
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