0580/22 Feb/Mar 2021, Question 10: Bearings and Trigonometry
Cambridge IGCSE Mathematics 0580 · Paper 22 (Extended) · Calculator · 2 marks
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The question, in short
Towns L, M and N sit at the corners of an equilateral triangle on a map, with M lying on a bearing of 103° from L. Determine the bearing of L as seen from N.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Angle MLN = 60° (equilateral triangle)
- 2Bearing of N from L = 103 + 60 = 163°
- 3Bearing of L from N = 163 + 180 = 343°
Answer343
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