Answer:
1,092.8 ft
Explanation:
The information here gives us a right triangle.
Let "y" represent the length of the base. (Adjacent length)
Height of the tower = 984 ft (opposite length)
Angle of elevation = 48° (reference angle)
Applying trigonometric ratios formula, we would have:

Plug in the values

Multiply both sides by 984

(nearest tenth)