Answer:144π
Step-by-step explanation:
C=2 x π x r
24π=2πr
Divide both sides by 2π we get
24π/2π=2πr/2π
12=r
radius(r)=12cm
When radius(r) is multiplied by 6 we get new radius(r) of 12x6=72cm
c=2xπxr
New circle circumference will be:
c=2xπx72
c=144π or 144pi