Mathematics (Syllabus D) · Oct / Nov 2016 · Paper 11 · Question 23
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As printed in the paper
The question as text
Triangle 1 Triangle 2 Triangle 3 Triangle 4 The diagrams show a sequence of triangles made up of identical sticks. Each triangle has two more sticks on each edge than its previous triangle. The table shows information relating to this sequence. Triangle number 1 2 3 4 n Number of sticks on each side 1 3 5 x Number of sticks in the triangle 3 9 15 y
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23(a)[1]
23(b)[1]
23(c)[1]
23(d)(i)[1]
23(d)(ii)[2]
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