0580/11 May/Jun 2024, Question 10: Surface Area of a Cuboid and Cylinder
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 4 marks
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The question, in short
A cuboid measures 15 cm by 6 cm by h cm with total surface area 369 cm²; find h.
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Solution · 4 marks
- 1Surface area = 2(15 × 6 + 6h + 15h) = 369
- 2180 + 42h = 369
- 342h = 189
- 4h = 189 ÷ 42 = 4.5
Answer4.5
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