From the top of a 75 m high lighthouse, the angles of depression of two ships in the same vertical plane on the same side are 45° and 30°. Find the distance (in m) between the two ships.
Class 10Heights and DistancesTrigonometry
A75(3−1)
B753
C75
D75(3+1)
Step-by-Step Solution
Near ship (45°): d1=75. Far ship (30°): d2=753. Distance between = 75 3−75=75(3−1) m.
Answer: A) 75(3−1)
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