Answer:
C
Step-by-step explanation:
This is because to work this out you would divide the circumerence by pi to find the diameter.
[tex]1250/3.14=398.08917197452229299363057324841[/tex]
and so can be rounded to 400
also if you round 1250 up to 1300 it will give an answer that also when rounded down equals 400
