Posted by **bluargh** on Wednesday, May 30, 2012 at 5:25pm.

The altitude of the cloud base is particularly important at airports. (The cloud base is where the lowest layer of clouds begins to form.) A bright spotlight is directed vertically upward. It creates a bright spot on the cloud base. From a horizontal distance of 1,150 feet away form the spotlight, the angle of elevation, θ, is measured to be 55°. Find the height of the cloud base (to the nearest foot).

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