The answer is that I don’t know
Answer:
Error. ;(
Step-by-step explanation:
answer is A
Hope it helps
Answer:
4π cm = 12.57 cm
Step-by-step explanation:
180 degrees is half of a circle, so the length of the arc is half of the circumference.
length = (2πr)/2 = πr = 4π cm = 12.57 cm