Answer:
the answer is 4pi or 12.56637061
Step-by-step explanation:
the arc length equals 2pi x radius ( known angle (120) / 360 which equals 4pi or 12.56637061
For this case we have to subtract the two distances (subtract the polynomials) and the difference will be given by the shorter miles of the second route.

Taking into account that:

Adding similar terms:
So, the correct option is C
ANswer:
Option C
1,01340 cuase 1,689 times 2 equal 3,378 and times 30 equal 101340