0580/13 Oct/Nov 2021, Question 19: Circumference and Area of a Circle
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks
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The question, in short
Find the radius of a circle given its circumference is 26 cm.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 12πr = 26
- 2r = 26 ÷ 2π = 4.137… ≈ 4.14 cm
Answer4.14 or 4.137 to 4.138...
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