Respuesta :

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!