In an experiment, an apple is dropped from a window of a building 100 feet above the groud. A camera was set on the ground 250 feet from the point of impact to record the experiment. Find the measure of the angle of elevation of the camera.
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In an experiment, an apple is dropped from a window of a building 100 feet above the groud. A camera was set on the ground 250 feet from the point of impact to record the experiment. Find the measure of the angle of elevation of the camera.
Let
be the angle of elevation of the window from the camera, then using the right triangle trigonometric ratios, 
.
Thus,
.
Therefore, the required angle of elevation is about 21.8 degrees.