Respuesta :

Given:

[tex]\cos D=0.64[/tex]

D is an acute angle

Find-:

The value of D

Explanation-:

The angle D is:

[tex]\begin{gathered} \cos D=0.64 \\ \\ D=\cos^{-1}(0.64) \\ \\ D=50.208 \end{gathered}[/tex]

The value of the nearest tenth is 50.2