Question

If h and h₁
are the heights of a light house and the observer in a ship in metres
above M S L then the horizontal distance from the ship to the light
house in kilometres is

Options:

A . 3.86 (`sqrt(h)` +`sqrt( h_1)`)

B . 3.86 (`sqrt(h)`-`sqrt( h_1)`)

C . 3.86 (`sqrt(h)`x`sqrt( h_1)`)

D . 3.86 n (`sqrt(h)`-`sqrt( h_1)`)

Answer: Option A

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