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
