Respuesta :
[tex]\sf C=d* \pi \\ C=3,14*6,9 \\ C=21,666=\boxed{\sf \approx 22~inches}[/tex]
to find the circumference C you use the formula C=pi(d)
diameter:6.9 in.
pi:3.14
6.9*3.14=21.666
rounded:22 inches
:D