Question

A bird is sitting on the top of a 80 m high tree. From a point on the ground, the angle of elevation of the bird is 45°. The bird flies away horizontally in such a way that it remained at a constant height from the ground. After 2 seconds, the angle of elevation
of the bird from the same point is 30°. Find the speed of flying of the bird. (use 3 = 1.732)

Answer 1

Answer:

Step-by-step explanation: