If the height of the tower is h, and the plane is x m above the top of the tower,
x/1050 = tan36°
(h+x)/1050 = tan41°
Now you have h and x, and the distance in question is
d^2 = 1050^2 + (x+h)^2
From an aeroplane in the air and at a horizontal distance of 1050m, the angles of depression of the top and base of a control tower at an instance are 〖36〗degrees and 〖41〗degrees respectively. Calculate, correct to the nearest metre, the
Height of the control tower
Shortest distance between the aeroplane and the base of the control tower.
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