4MA1/1F Jun 2022, Question 22: Compound Measures
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 4 marks
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The question, in short
Cylinder of height 18 cm exerts 72 N on the ground with pressure 1.4 N/cm². Work out the cylinder's volume, giving the answer to 3 significant figures.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 4 marks
- 1Area = force ÷ pressure = 72 ÷ 1.4 = 51.42… cm²
- 2Volume = base area × height = 51.42… × 18 = 925.7…
- 3To 3 significant figures: 926
Answer926
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