Select Board & Class


Some Applications Of Trigonometry

Question 14:

A 1.2 m tall girl spots a balloon moving with the wind in a horizontal line at a height of 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°. After some time, the angle of elevation reduces to 30°. Find the distance travelled by the balloon during the interval.


Let the initial position A of balloon change to B aft...

To view the solution to this question please

What are you looking for?