Answer :
Answer:
r=6
Step-by-step explanation: first you will need to is 2pi=12pi divide both sides by pi. 2r=12 divide both sides by 2.r=6
Answer:
r=6
Step-by-step explanation: first you will need to is 2pi=12pi divide both sides by pi. 2r=12 divide both sides by 2.r=6