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O-LevelMathematicsNumber4024/11 · Oct/Nov 2010 · Q62 Marks

The length of a side of an equilateral triangle is given as 41 mm, correct to the nearest millimetre.

  1. (a)Write down the lower bound for the length of a side.[1]
  2. (b)Giving your answer in centimetres, calculate the lower bound for the perimeter of the triangle.[1]

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, Oct/Nov 2010 Paper 1 Variant 1, question 6.

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