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2 marksGeometric Problem Solving (Lines, Angles, Polygons)

CSEC Mathematics · May/June 2016 · Paper 2 · Question 5(a)(ii)

A diagram shows two straight lines, JK and JL, intersecting a pair of parallel lines, EF and GH. Several angles are given: one angle is 100°, another is 128°. Angles x, y, and w are marked.

Determine, giving reasons for EACH of your answers, the value of y.

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Other parts of this question

  1. 5(a)(i)Determine, giving reasons for EACH of your answers, the value of x.[2 marks]
  2. 5(a)(iii)Determine, giving reasons for EACH of your answers, the value of w.[2 marks]
  3. 5(b)(i)Describe FULLY the transformation which maps RST onto R'S'T'.[3 marks]
  4. 5(b)(ii)Triangle RST is reflected in the line x = 6. On the graph above, draw triangle R'' S'' T'', the image of Δ RST, after the reflection. Write down the…[3 marks]

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