Respuesta :

Answer:

Circle 1: 56.55

Circle 2: 53.41

Circle 3: 9.42

Circle 4: 15.71

Step-by-step explanation:

Formula for Circumference

C=2πR

Using Circle 1 as example:

Radius of 9

C=2π(9)

2*9= 18

18π

56.55

Answer:

1. 56.52

2.53.38

3. 9.42

4. 15.7

Step-by-step explanation:

These are the unrounded answers here are the rounded ones...

56.5

53.4

9.4

15.7

If this helped pls give brainliest.