Respuesta :

Answer:

C = 14.14

Step-by-step explanation:

Circumference = 2πr

radius = 1/2 * diameter:

radius = 1/2*4.5

radius = 2.25

Now take the radius and plug it into the circumference formula:

2π(2.25) = 14.13716694

Rounded to the nearest hundredths:

Circumference = 14.14