UP TGT Mathematics Complex Numbers Test Series - Part 4
As observed from the top of a 75 m high lighthouse from the sea-level, the angles of depression of two ships are 30° and...
Type: MCQ • Marks: 1
As observed from the top of a 75 m high lighthouse from the sea-level, the angles of depression of two ships are 30° and 45°. If one ship is exactly behind the other on the same side of the lighthouse, the distance between the two ships is:
Options
A. 75√3 m
B. 75(√3 - 1) m
C. 75(√3 + 1) m
D. 75 m
Explanation
Distances from base are 75√3 and 75. Distance between ships = 75(√3 - 1) m.
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