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4 marksConstructing Lines, Angles, and Polygons

CSEC Mathematics · Question 3(a)

This section requires geometric construction.

Using a ruler, a pencil and a pair of compasses only, construct the triangle NLM, in which LM = 12 cm, ∠MLN = 30° and ∠LMN = 90°. (Credit will be given for clearly drawn construction lines.)

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Other parts of this question

  1. 3(b)(i)On the diagram, draw and label triangle LMN.[2 marks]
  2. 3(b)(ii)Describe fully a single transformation that maps triangle ABC onto triangle LMN.[2 marks]
  3. 3(b)(iii)State the 2 × 2 matrix for the transformation that maps triangle ABC onto triangle LMN.[1 mark]

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