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°, which is approaching the foot of the tower with a uniform speed. 6 seconds 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​

Answer 1

Step-by-step explanation:

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