Answer :
Answer:
Option C) 45°
Step-by-step explanation:
We are given the following in the question:
Height of building = 190 feet
Length of shadow = 190 feet
Let [tex]\theta[/tex] be the angle of elevation from the tip of the shadow to the top of the building.
Relation:
[tex]\tan \theta = \dfrac{\text{Perpendicular}}{\text{Base}}\\\\\Rightarrow \tan \theta = \dfrac{\text{Height of building}}{\text{Length of shadow}}\\\\\Rightarrow \tan \theta = \dfrac{19}{19}=1\\\\\Rightarrow \theta = \tan^{-1}(1)\\\Rightarrow \theta = 45^\circ[/tex]
Thus, the angle of elevation from the tip of the shadow to the top of the building is
Option C) 45°