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2 marksNumber Sequences and Rules

CSEC Mathematics · 2021 · Paper 2 · Question 7(b)(ii)

The number of lines, L, in each shape and the perimeter, P, of the shape follow a pattern. Study the pattern of numbers in each row of the table and answer the questions that follow. Complete the table below showing the number of lines and the perimeter of each figure.

Complete the row where the Number of Lines (L) is 66.

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Other parts of this question

  1. 7(a)Draw Figure 4 of the pattern in the space provided.[2 marks]
  2. 7(b)(i)Complete the row for Figure 5.[2 marks]
  3. 7(b)(iii)Complete the row for Figure n.[2 marks]
  4. 7(c)Write a simplified expression, in terms of n, for the difference, d, between the number of lines and the perimeter of any figure, n.[2 marks]

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