The circumference, C, of a circle is computed as follows:
[tex]C=\pi D[/tex]where D is the diameter of the circle. Substituting with D = 14 ft, we get:
[tex]\begin{gathered} C=\pi\cdot14 \\ C\approx44\text{ ft} \end{gathered}[/tex]The circumference of the trampoline is approximately 44 feet