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Asking learners to make a conical party hat of a given height that will fit the circumference of their head is a fun but challenging activity that also involves some trigonometry in 3D (this is introduced formally in the next unit). (F) Past papers and specimen papers Past papers: Jun 13 Paper 11 Q 19. Jun 13 Paper 12 Q 17. Nov 13 Paper 21 Q 10 ................
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