Non-right Triangles: Law of Sines · Exercise 66
In order to estimate the height of a building, two students stand at a certain distance from the building at street level. From this point, they find the angle of elevation from the street to the top of the building to be 39°. They then move 300 feet closer to the building and find the angle of elevation to be 50°. Assuming that the street is level, estimate the height of the building to the nearest foot.
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OpenStax, Algebra and Trigonometry 2e · §10.1 Non-right Triangles: Law of Sines · Exercise 66
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