The answer would be 7.42
Use desmos online calculator
Answer:
Its not that hard think hard 3
None of them because they are not in order
Ok, so find circumference
arc/circumferece=xrad/2pirad
c=2pir
c=2pi6
c=12pi
arc=5.4cm
5.4/12pi=x/2pi
tims both sides by 2pi
5.4/6=x
0.9=x
0.9 radians