The circumference formula is given by:
[tex]L=2\pi r[/tex]
Where r is the radius of the circle. From the problem, we have r = 10.9 ft. Then, using the formula:
[tex]\begin{gathered} L=2\pi\cdot10.9 \\ \\ \therefore L=68.5\text{ ft} \end{gathered}[/tex]
The circumference is 68.5 ft
