0580/41 May/Jun 2025, Question 19: Arc Length
Cambridge IGCSE Mathematics 0580 · Paper 41 (Extended) · Calculator · 4 marks
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The question, in short
Using a diagram of a major sector with radius 7.5 cm and a missing minor sector angle of 126°, work out the distance around the major sector's edge.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 4 marks
- 1Major sector angle = 360 − 126 = 234°
- 2Arc = 234/360 × 2 × π × 7.5 = 30.63…
- 3Perimeter = 30.63… + 7.5 + 7.5
- 4= 45.63… ≈ 45.6 cm
Answer45.6 or 45.63…
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Also searched as: 0580/41/M/J/25 · 0580_s25_qp_41 · 0580 s25 41 · question 19.
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