Respuesta :

We have the following:

adjacent leg = a

hypotenuse = h

[tex]\cos \theta=\frac{a}{h}[/tex]

replacing:

[tex]\begin{gathered} \cos \theta=\frac{11}{12} \\ \cos \theta=0.916 \\ \theta=\cos ^{-1}(0.916) \\ \theta=23.56 \end{gathered}[/tex]

The angles is 23.6°

RELAXING NOICE
Relax