0580/32 Feb/Mar 2025, Question 12: Pie Charts
Cambridge IGCSE Mathematics 0580 · Paper 32 (Core) · Calculator · 4 marks
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The question, in short
Pie chart of preferences for sun, rain and wind with wind 95° and rain 80°; 45 more prefer wind than rain. Find how many prefer sun.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 4 marks
- 1Sun angle = 360 − 95 − 80 = 185°
- 2Wind − Rain = 95 − 80 = 15°, which is 45 people
- 31° represents 45 ÷ 15 = 3 people
- 4Sun = 185 × 3 = 555 people
Answer555
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