4MA1/1F Jun 2025, Question 17: Composite Perimeter, Area and Volume
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 4 marks
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The question, in short
Work out the least number of 4 m² varnish tins needed to cover a stage made from an 8 m by 6 m rectangle plus an isosceles triangle of height 3 m on a 6 m side.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 4 marks
- 1Rectangle = 6 × 8 = 48 m²
- 2Triangle = 1/2 × 6 × 3 = 9 m²
- 3Total area = 48 + 9 = 57 m²
- 457 ÷ 4 = 14.25
- 5Round up: 15 tins
Answer15
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