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3 marksSine and Cosine Rules

CSEC Mathematics · 2021 · Paper 2 · Question 9(b)(ii)

From a harbour, H, the bearing of two ships, Q and R, are 069^\circ and 151^\circ respectively. Q is 175\text{ km} from H while R is 242\text{ km} from H.

Calculate QR, the distance between the two ships, to the nearest km.

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Other parts of this question

  1. 9(a)(i)Determine the value of angle ECD and give a reason to support your answer.[2 marks]
  2. 9(a)(ii)Determine the value of angle CEG and give a reason to support your answer.[2 marks]
  3. 9(a)(iii)Determine the value of angle CGF and give a reason to support your answer.[2 marks]
  4. 9(b)(i)Complete the diagram to show the information given.[1 mark]
  5. 9(b)(iii)Calculate how far due south is Ship R of the harbour, H.[2 marks]

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