Answer: D: 672
Step-by-step explanation:
use the equation C = 2πR, where C is circumference and R is radius
re-write the equation with 107 instead of R
C=2*π*107
then solve (use 3.14 for pi and round up)
3.14*2=6.28
6.28*107=671.96
then round up to get 672
I hope this helps!
