0580/11 Oct/Nov 2024, Question 11: Circumference and Area of a Circle
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 3 marks
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The question, in short
A wheel has circumference 198.55 cm; find its diameter in millimetres.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 1Diameter = circumference ÷ π = 198.55 ÷ π
- 2= 63.20… cm
- 363.20… × 10 = 632.0… ≈ 632 mm
Answer632 or 631.9 to 632.0…
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