Triangles-And-Properties-Of-Triangle Question 49

Question: A man from the top of a 300 metres high tower sees a car moving towards the tower at an angle of depression $ 30{}^\circ . $ After some time, the angle of depression becomes $ 60{}^\circ . $ If the distance (in meters) travelled by the car during this time is $ k\sqrt{3}, $ then find k.

Solution:

Answer: 200.00