The vertical distance above the ground is 570.34 ft
The angle of depression refers to the angle formed by the horizontal and a downward angle to an object. The line of sight of an observer is usually positioned below the horizontal.
From the given information;
To determine the vertical distance above the ground, we need to use the tangential trigonometric ratio. i.e.
[tex]\mathbf{tan \ \theta = \dfrac{opp}{adj}}[/tex]
[tex]\mathbf{tan \ 36 = \dfrac{h}{785 \ ft}}[/tex]
h = 785 tan 36°
h = 570.335 ft
h = 570.34 ft (to the nearest tenth foot)
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