4MA1/1HR Jan 2022, Question 11: Area of a Sector
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1HR (Higher) · Calculator · 2 marks
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The question, in short
Calculate the area of sector OPQ with radius 7.1 cm and angle POQ 110°, giving the answer to one decimal place.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Sector area = 110/360 × π × r²
- 2= 110/360 × π × 7.1² = 110/360 × π × 50.41 = 48.39…
- 3To 1 decimal place: 48.4
Answer48.4
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