4MA1/2HR Jan 2021, Question 13: Angles of Elevation and Depression
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2HR (Higher) · Calculator · 3 marks
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The question, in short
Two balloons have base points A and B, 500 m apart, with A above B and a 23° angle of depression from A to B. Find the vertical height difference, to one decimal place.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1h = 500 × sin(23)
- 2h = 500 × 0.3907
- 3h = 195.35
- 4195.4
Answer195.4
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