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Basics of Geometry

A light house...

Question

A light house is visible just above the horizon at a certain station at the sea level. The distance between the station and the light house is 25 km. The height of the light house will be
42.06

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Solution

The correct option is A 42.06
$H e i g h t o f l i g h t h o u s e = 0.0673 d^{2}$

$= 0.0673 \times (25)^{2}$

$= 42.06 m$

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