4MA1/1F Jan 2022, Question 10: Circumference and Area of a Circle
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 2 marks
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The question, in short
Find the area of a circle with diameter 14 cm, giving the result to 3 significant figures.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1Radius = 14 ÷ 2 = 7 cm
- 2Area = π × 7² = 153.93…
- 3Correct to 3 significant figures: 154
Answer154
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