Answer: We have to find the angle associated with the provided ratio:
[tex]\cos(A)=0.2785[/tex]
The answer is as follows:
[tex]\begin{gathered} \cos(A)=0.2785 \\ \\ A=\cos^{-1}(0.2785)=73.82929959 \\ \\ \\ A\approx74 \end{gathered}[/tex]
Therefore the answer is 74.
