Mathematics (AS & A Level) · May / June 2021 · Paper 12 · Question 12
9709
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A B C D E F P Q The diagram shows a cross-section of seven cylindrical pipes, each of radius 20 cm, held together by a thin rope which is wrapped tightly around the pipes. The centres of the six outer pipes are A, B, C, D, E and F. Points P and Q are situated where straight sections of the rope meet the pipe with centre A.
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12(a)[2]
12(b)[4]
12(c)[2]
12(d)[3]
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