B, that’s easy... Just add them up.
Circumference = 2 * PI * radius
circumference = 2 * PI * 12.6
If the central angle is 120°, then the arc will be exactly one third of the circumference.
arc length = (2 * PI * 12.6) / 3
arc length = 8.4 PI
Answer:
The answer is A got it correct on the test
Step-by-step explanation:
have a good day!
