Answer:
[tex]\large\boxed{C=5.2\pi\ in\approx16.328\ in}[/tex]
Step-by-step explanation:
The formula of a circumference of a circle:
[tex]C=2\pi r[/tex]
r - radius
We have r = 2.6 in. Substitute:
[tex]C=2\pi(2.6)=5.2\pi\ in[/tex]
[tex]\pi\approx3.14\to C\approx(5.2)(3.14)=16.328\ in[/tex]