The tangent function gives the ratio of vertical to horizontal distance in this case.
.. vertical distance = (horizontal distance)*tan(angle of depression)
.. = (40 m)*tan(50°)
.. vertical distance ≈ 47.7 m
The answer is A, it’s the only one that makes sense
Answer:

Step-by-step explanation:
Distance Formula: 
Used to find the distance between 2 points.
Simply plug in your 2 coordinates into the distance formula to find distance <em>d</em>:




