Quelpr
3 marksSine and Cosine Rules

CSEC Mathematics · May/June 2014 · Paper 2 · Question 10(b)(ii)

The diagram below, not drawn to scale, shows the positions of three ports, P, Q and R. Q is 80 km from P. R is 100 km from Q on a bearing of 066°. <PQR = 54°.

Calculate the distance PR correct to 2 decimal places

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 10(a)(i)Calculate, giving a reason for EACH step of your answer, the measure of: <BOE[2 marks]
  2. 10(a)(ii)Calculate, giving a reason for EACH step of your answer, the measure of: <OED[2 marks]
  3. 10(a)(iii)Calculate, giving a reason for EACH step of your answer, the measure of: <BFE[3 marks]
  4. 10(b)(i)Calculate the bearing of P from Q[2 marks]
  5. 10(b)(iii)Calculate the measure of <QPR to the nearest degree.[3 marks]

More practice: the rest of this paper · more Sine and Cosine Rules questions · all CSEC Mathematics past papers