0580/11 Oct/Nov 2021, Question 21: Area of a Sector
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 2 marks
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The question, in short
Find the area of a circle sector with radius 4.8 cm and sector angle 45°.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Area = 45/360 × π × 4.8²
- 2= 1/8 × π × 23.04 = 9.047… ≈ 9.05 cm²
Answer9.05 or 9.047 to 9.049
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