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4 marksNumber Sequences and Rules

CSEC Mathematics · 2003 (Specimen) · Paper 2 · Question 8(b)

Copy and complete the table for the 3rd, 4th, 5th, and 6th triangles.

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Other parts of this question

  1. 8(a)Draw the FOURTH triangle of the set on the grid provided on the answer sheet.[2 marks]
  2. 8(c)(i)Write a rule describing the sequence of numbers in Column 2 (Number of Dots on Perimeter).[1 mark]
  3. 8(c)(ii)Write a rule describing the sequence of numbers in Column 3 (Number of Dots Inside Triangle).[2 marks]
  4. 8(d)Calculate the area of the 12th triangle.[2 marks]

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