From the roof of a house 20 feet off the ground, the angle of elevation of the top of an apartment building is 63∘ and the angle of depression to the base of the building is \(24^{\circ} .\...From the roof of a house 20 feet off the ground, the angle of elevation of the top of an apartment building is 63∘ and the angle of depression to the base of the building is 24∘. How far away from the house is the apartment building? From one of the upper floors of the building, the angle of elevation to the top of the water tower is 15∘ and the angle of depression to the bottom of the water tower is 28∘. How tall is the water tower?
