Respuesta :
Answer is in a photo. I can only upload it to a file hosting service. link below!
bit.[tex]^{}[/tex]ly/3a8Nt8n
if C= 2πr
then C=2π 18/2
then C= 18π inches
hope this helped :)
then C=2π 18/2
then C= 18π inches
hope this helped :)