0580/43 May/Jun 2026, Question 16: Calculating with Bounds
Cambridge IGCSE Mathematics 0580 · Paper 43 (Extended) · Calculator · 2 marks
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The question, in short
Rectangle sides 4.2 cm and 6.8 cm are each correct to the nearest millimetre; find the lower bound of its area.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1Lower bounds: 4.15 cm and 6.75 cm
- 2Lower bound of area = 4.15 × 6.75
- 3= 28.0125 cm²
Answer28.0125
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Also searched as: 0580/43/M/J/26 · 0580_s26_qp_43 · 0580 s26 43 · question 16.
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