Question 1164481
For points the point on ground away from the hill, the top of tower, the bottom of tower, form a triangle.  Best if you draw the whole description.


This upper triangle has angles
top of tower, 61 degree 58 minute
bottom of tower, 28 degree 2 minute
Length between these  is  45 meter.
Angle opposite this is  5 degree 16 minute.


Use that to continue, and to finish.  (More steps left undone here).
(A more efficient way may be possible.)