Question

The angle of elevation alpha of top of a light house as seen by the person on the ground is such that its tangent is 5/12 . when the person moves a dist of 240 m towards the light house the tangent of the angle of elevation bitha is found to be 3/4 .find the height of the light house

Answer 1

Height of chimney = 225 m

Answer 2

$\textbf{Answer is in Attachment !}$