height is side opposite angle of elevation and 140 m is the hypotenuse.
sin(angle of elevation) = 18/140
angle of elevation = 7.39
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asked • 04/29/21Geometry question
A bird is nesting in a tree at a height of 18 m. The distance between the bird and its mate on the ground is 140 m . Calculate angle of elevation from the bird on the ground to the bird in the nest to the nearest degree.
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