topofa80mhightree.Fromapointontheground,theangleofA bird is sitting on theelevation of the bird is 45Â° The bird flies away horizontally in such a way that it remainedat a constant height from the ground. After 2 seconds, the angle of elevation of the birdfrom the same point is 30Â° Find the speed of flying of the bird (Take 3-1.732).

topofa80mhightree.Fromapointontheground,theangleofA bird is sitting on

1.	topofa80mhightree.Fromapointontheground,theangleofA bird is sitting on theelevation of the bird is 45Â° The bird flies away horizontally in such a way that it remainedat a constant height from the ground. After 2 seconds, the angle of elevation of the birdfrom the same point is 30Â° Find the speed of flying of the bird (Take 3-1.732).
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