The angle of elevation is the angle an observer forms when looking at an object above the horizontal plane. Therefore, the distance from the marker to the building is 247.5 m.
The angle of elevation is the angle an observer forms when looking at an object above the horizontal plane. It is always measured in reference to the horizontal plane.
The given question forms a right-angled triangle, thus the trigonometric function should be applied. Let the distance from the marker to the building be represented by d, so that;
Tan θ = [tex]\frac{opposite}{adjacent}[/tex]
Tan 22 = [tex]\frac{100}{d}[/tex]
So that,
d = [tex]\frac{100}{Tan 22}[/tex]
= [tex]\frac{100}{0.4040}[/tex]
d = 247.52
Therefore, the distance from the marker to the building is 247.5 m.
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