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 $\displaystyle {40}$ º. They the move $\displaystyle {300}$ feet closer to the building and find the angle of elevation to be $\displaystyle {48}$ º. Assume that the street is level, estimate the height of the building to the nearest foot.

 

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