Respuesta :

Answer:

3Pi km

Step-by-step explanation:

C = Pi x D

D = 3km

C = Pi x 3km

C = 3Pi km or 9.424777961

Answer:

9.424

Step-by-step explanation:

Use the circumference formula which is pi times diameter or two times pi times radius you get the same thing regardless. but its pi times 3 and you get 9.42477796077 ... Also pi is also used as 3.14 as a simpler version sometimes not all the time though.