Given the information on the problem, we have the following right triangle:
then, we can use the cosine function to get the length of CA:
[tex]\begin{gathered} \cos (63)=\frac{\text{adjacent side}}{hypotenuse}=\frac{CA}{35} \\ \Rightarrow CA=35\cdot\cos (63)=15.9 \\ CA=15.9ft \end{gathered}[/tex]
therefore, the length of CA is 15.9 ft
