Answer:
C) 25.13
Explanation:
The formula for circumference is 2(pi)r.
In order to find r, or the radius, we can divide the diameter by 2.
d/2=r
8/2=4
r=4
Plug the radius into the formula
2(pi)4
And finally, plug it into your calculator.
2(pi)4 = ~25.13