Asked by Kaylie
A man 1.7m tall observe a bird on top of a tree at angle of elevation of 40degree. If the bird distance between the man's head and the bird is 25m, what is the height of the tree?
Answers
Answered by
Steve
the part of the tree above the man's eyes is h
h/25 = sin 40
h = 25sin40
tree is 1.7 + 25sin40 = 17.77
Of course, that assumes the man's eyes are on the top of his head. . .
h/25 = sin 40
h = 25sin40
tree is 1.7 + 25sin40 = 17.77
Of course, that assumes the man's eyes are on the top of his head. . .
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