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A man walks directly from point A towards the foot of a tall building 240m away. After covering 180m, he observes that the angl...Asked by Anonymous
A man walks directly from a point A towards the foot of a tall building 240m away.After covering 180m, he observes that the angle of elevation of the top of the building is 45°.Determine the angle of elevation of the top of building from A
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Answered by
oobleck
clearly, the height of the building is 60m
so, from A, the angle x obeys
tan x = 60/240
so, from A, the angle x obeys
tan x = 60/240
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