Question

There are two poles , one each on either bank of the river, just opposite to each

other. One pole is 60 metres high. From the top of this pole, the angles of depression

of the top and the foot of the other pole are 30° and 60° respectively. Find the width

of the river and the height of the other pole.​

Answer 1

Answer: 40 m.

Step-by-step explanation:It is given that the angles of depression of the top A and the bottom B of the pole AB are 30° and 60° respectively. Hence, width of the river = 34.64 m. Hence,height of other pole = 40 m.

Answer 2

Answer:

40 m is the correct answer.