0580/22 May/Jun 2025, Question 10: Arc Length
Cambridge IGCSE Mathematics 0580 · Paper 22 (Extended) · Non-calculator · 2 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
A circle sector has centre O, radius 18 cm and angle 45°. Given the arc length is nπ cm, work out n.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Arc = 45/360 × 2 × π × 18
- 2= 1/8 × 36π = 4.5π
- 3n = 9/2
Answer9/2
Stuck on a step? Read the free lesson: Arc Length
Practise more arc length questions
Real 0580 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on arc length
Also searched as: 0580/22/M/J/25 · 0580_s25_qp_22 · 0580 s25 22 · question 10.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.