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 from the point of obervation horizontally for 2 seconds and
remains at constant height,then the angle of elevation of the bird
from the point of obervation becomes 30°.Find the speed of the flying
bird​

Answer 1

Step-by-step explanation:

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