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A triangular prism has a right-angled triangle as its cross-section, with a vertical side of 9 cm and a base of x cm. The prism is 35 cm long. Its biggest face has an area of 525 cm2. Find the value of x.
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Which side of the triangle makes the largest rectangular face?
[3 marks]
🧭Modelled on Cambridge Checkpoint 0862 · Apr/May 2026 · Paper 2 · Q26
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