4024/12 Oct/Nov 2024, Question 19: Area Factor of Similar Shapes
Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 2 marks
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The question, in short
Two similar mugs hold 270 ml and 640 ml, with widths w cm and 8 cm; find w using the volume scale factor.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Volume scale factor = 270/640 = 27/64
- 2Length scale factor = ∛(27/64) = 3/4
- 3w = 3/4 × 8 = 6
Answer6
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