Respuesta :

Answer:

30.14

Step-by-step explanation:

  • The formula for cirumference is 2(pi)r
  • If the diameter equals 9.6 then the radius is 4.8
  • 4.8 times 2 equals 9.6
  • 9.6 times 3.14(pi) equals 30.144 which could be rounded to 30.14