helpp, pretty please;/

Answer:
B
Step-by-step explanation:
The circumference of a circle is denoted by: C = [tex]\pi d[/tex], where d is the diameter.
Here, the diameter is d = 50. So, plug this in: C = [tex]50 *\pi[/tex] ≈ 157
Thus, the answer is B.
Hope this helps!