Given a right angle triangle
The hypotenuse = 16
Side BC represents the adjacent to the angle 60
So,
[tex]\begin{gathered} \cos 60=\frac{adjacent}{hypotenuse} \\ \\ \cos 60=\frac{BC}{16} \\ \\ BC=16\cdot\text{cos}60=16\cdot\frac{1}{2}=8 \end{gathered}[/tex]
So, the answer will be BC = 8
