0580/21 May/Jun 2022, Question 24: Trigonometry in 3D: Cuboids
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Calculator · 3 marks
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The question, in short
Find the space diagonal length of a cuboid with side lengths 24 cm, 12 cm and 8 cm.
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Solution · 3 marks
- 1d² = 24² + 12² + 8² = 576 + 144 + 64 = 784
- 2d = √784 = 28 cm
Answer28
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