Question

A straight highway leads to the foot of a tower a man standing at the top of the tower observes a car at an angle of depression of 30 degree with is approaching the foot of the tower to the uniform speed 6 seconds later dangle applications of the car is found to be 60 degree find the time taken by the car to the foot of the tower from this point

Answer 1

ꜱᴇᴇ ᴛʜᴇ ᴀᴛᴛᴀᴄʜᴍᴇɴᴛ.
ʜᴏᴩᴇ ɪᴛ ʜᴇʟᴩꜱ

Answer 2

$\textbf{Answer is in Attachment !}$