2 years ago

Bob sees a very tall white pine tree. He estimates that the angle of elevation from him to the top of the tree is 77°

Mathematics

1 answer:

vlabodo [156]2 years ago

8 0

Answer:

86.63 ft

Step-by-step explanation:

The tangent relation applies.

Tan = Opposite/Adjacent

tan(77°) = (tree height)/(20 ft)

tree height = (20 ft)·tan(77°) ≈ 86.63 ft

_____

<em>Additional comment</em>

It is somewhat problematic for Bob to see the top of a white pine tree at that angle of elevation. His view would likely be obscured by the branches of the tree.

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