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7 marksGeometric Problem Solving (Lines, Angles, Polygons)

CSEC Mathematics · May/June 2004 · Paper 2 · Question 4(b)(iii)

In the diagram, not drawn to scale, EFGH is a rectangle. The point D on HG is such that ED = DG = 12 cm and GDF = 43°.

Calculate correct to one decimal place the size of the angle HDE.

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Other parts of this question

  1. 4(a)(i)Calculate the value of t when m = 20 and n = 48.[5 marks]
  2. 4(a)(ii)Express m as subject of the formula t = (5m) / (12n).[5 marks]
  3. 4(b)(i)Calculate correct to one decimal place the length of GF.[7 marks]
  4. 4(b)(ii)Calculate correct to one decimal place the length of HD.[7 marks]

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