# A water tower is located 325 ft. from a building. From a window in the building it is observed that the angle of elevation to the top of the tower is 39 degrees and the angle of depressionto the bottom of the tower is 25 degrees. How tall is thetower? How high is the window?

A water tower is located 325 ft. from a building. From a window in the building it is observed that the angle of elevation to the top of the tower is 39 degrees and the angle of depressionto the bottom of the tower is 25 degrees. How tall is thetower? How high is the window?
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Jamarion Roth
Since the angle of depression is 25 degrees, we know that the angle between the bottom of the tower and the building is also 25 degrees because they are opposite internal angles, so the you just use 325sin25 degrees to get the height of the window to be137.35 feet.