Answer:
The angle of elevation is 25.8°
Step-by-step explanation:
hypotenuse = 40; adjacent = 36 . The angle of elevation is between the 40 and 36 or the elevation from the street.
Cos x = 36/40 cos x = adjacent ÷hypotenuse
[tex]cos^1(x) = \frac{36}{40}[/tex]
[tex]cos^1(x) = .9[/tex] Use the calculator: TI ( 2ndcos(.9) enter
[tex]x = 25.84[/tex]
x ≈ 25.8°
