Question

A straight highway leads to the foot of the tower a man standing at the top of the tower observes a car at the angle of depression of 30° which is approaching the foot of the tower with a uniform speed 6 second letter the angle of depression of the car is found to be 60 degree find the time taken by the car to reach the foot of the tower from.

Answer 1

see example no.9

its a readymate in gseb txtbook

i hope this helpu

Answer 2

$\textbf{Answer is in Attachment !}$