Answer:
Circumfrence = 2(pi)r, where pi = 3.14
The diameter is 12, so the radius, in this case is 6.
So we have: 2(3.14)(6) = 37.68 and B is correct.
Let me know if this helps!
B
Step-by-step explanation:
circumference = πD
= 3.14 * 12
= 37.68
