Respuesta :
Answer:
12.56in
Step-by-step explanation:
Diameter=4=d
circumference of a circle=[tex]\pi[/tex]×d
=[tex]\pi[/tex]×4
=3.14×4
=12.56
Answer: 12.56in
Step-by-step explanation: The Formula of a circle for the circumference is 2*3.14=3.14*d.