- A1000(3 + √3) m
- B1000√3 m
- C2000 m
- D1000(3 − √3) m
Step-by-Step Solution
Ground distance ; lower plane height . Gap m.
Answer: D) 1000(3 − √3) m
An aeroplane at a height of 3000 m passes vertically above another aeroplane. At that instant, the angles of elevation of the two planes from a point on the ground are 60° and 45°. Find the vertical distance between them.
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