Respuesta :

jalaynad20

Answer:

C≈25.13

Solution:

C=2πr=2·π·4≈25.13274

kaseyafa

Answer:

circumference is 25.12

Step-by-step explanation:

diameter (d) is 2 times the radius. knowing this we can do 2 times 4 = 8. our new diameter is 8. now we plug into equation:

3.14 times 8 = 25.12