Learning Goal: I’m working on a mathematics practice test / quiz and need the explanation and answer to help me learn.
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° which is approaching the foot of the tower with a uniform speed.Six second later, the angle of depression of the car is found to be 60°.Find the time taken by the car to reach the foot of the tower from this point.