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4MA1/2FR Jan 2021, Question 9: Back Bearings

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 3 marks

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The question, in short

Use a scale diagram showing a post office A and police station B to measure a bearing and work out another bearing involving town hall C.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Part (a) · 1 mark

Measure the bearing of B from A on the diagram.

  1. 1Measure the angle clockwise from north at A to B.
  2. 2Observe the bearing is 107°.

Answer107 (accept 105 to 109)

Part (b) · 2 marks

Given the bearing of A from C is 045°, calculate the bearing of C from A.

  1. 1A bearing and its back bearing differ by 180°.
  2. 2Bearing of C from A = 045° + 180° = 225°
  3. 3Answer: 225

Answer225

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