We woudl determine the value of x by applying the Cosine trigonometric ratio which is expressed as
Cos# = adjacent side/hypotenuse
From the triangle,
adjacent side = 14
hypotenuse = x
# = 40
Thus,
Cos 40 = 14/x
xCos 40 = 14
x = 14/Cos40 = 14/Cos = 14/0.766
x = 18.28 ft
To the nearest foot,
x = 18 ft
