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3 marksSine and Cosine Rules

CSEC Mathematics · January 2008 · Paper 2 · Question 11(b)(ii)

A, B and C are three buoys. B is 125 m due east of A. The bearing of C from B is 190°. CB = 75 m.

Calculate, to one decimal place, the distance AC.

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Other parts of this question

  1. 11(a)(i)Calculate, giving a reason for EACH step of your answer, angle WOY.[2 marks]
  2. 11(a)(ii)Calculate, giving a reason for EACH step of your answer, angle OWY.[2 marks]
  3. 11(b)(i)Sketch a diagram to represent the information given below. Show clearly all measurements and any north-south lines that may be required.[5 marks]
  4. 11(b)(iii)Calculate, to the nearest degree, the bearing of C from A.[3 marks]

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