Answer:
Larger circle= 75.4
Smaller circle= 50.27
Step-by-step explanation:
Use this formula: C=2πr
Find the radius for bigger and smaller circle
The radis of the smaller is equal to: 12 - 4 =8
radius of smaller circle= 8
radius of bigger circle = 12
make an equation for one of the circles: (i chose the smaller one)
C=2π(8)
C= 16 π
C= 50.27
Now for the bigger circle
C=2π(12)
C=24π
C= 75.39
C= 75.4
