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4 marksConstructing Lines, Angles, and Polygons

CSEC Mathematics · January 2012 · Paper 2 · Question 3(b)(i)a)

This question involves constructing a triangle and a perpendicular line.

Using a pair of compasses, a ruler and a pencil, construct a triangle CDE in which DE = 10 cm, DC = 8 cm and ∠CDE = 45°.

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Other parts of this question

  1. 3(a)(i)List the members of the set A.[1 mark]
  2. 3(a)(ii)List the members of the set B.[1 mark]
  3. 3(a)(iii)Draw a Venn diagram to represent the sets A, B and U.[3 marks]
  4. 3(b)(i)b)Using a pair of compasses, a ruler and a pencil, construct a line, CF, perpendicular to DE such that F lies on DE.[2 marks]
  5. 3(b)(ii)Using a protractor, measure and state the size of ∠ DCE.[1 mark]

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