Question

The angle of elevation Θ of the top a light house, as seen by a person on the ground, is such that tan Θ = 5 /12. When the person moves a distance of 240 m towards the light house, the angle of elevation becomes Φ such that tan Φ = 3/4. Find the height of the light house.

Answer 1

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Answer 2

$\textbf{Answer is in Attachment !}$