Question

Two ships are on opposite sides in front of a lighthouse in such a way that all three of them are in line. The angles of depression of two ships from the top of a lighthouse are 30° and 60°. If the distance between the ships is 230√3  m, then find the height (in
m) of the lighthouse.

A 145.2
B 172.5
C 160.5
D 135.4
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