Answer:
x = 37 degrees
Explanation:
The diagram shown is a right angled triangle;
Opposite = 9
Adjacent = 12
Angle of elevation = x
Using the trigonometry identity
tan theta = opposite/adjacent
tan x = 9/12
tan x = 0.75
x = arctan(0.75)
x = 36.87
x = 37 degrees(no nearest whole number)
