Question

A bird is sitting on the top of a tree, which is 80 m high. The angle of

elevation of the bird from a point on the ground is 45. The bird flies away

from the point of observation horizontally and remains at a constant height

after 2 seconds, the angle of elevation of the bird from the point of

observation becomes 30, find the speed of flying of the bird.​

Answer 1

Answer:

The speed of the bird is 15