Let's first find the area of each circle.
Circle A:
r = 12 / 2 = 6
A = pi x 6^2
A = 36pi in^2
Circle b:
r = 22 / 2 = 11
A = pi x 11^2
A = 121pi in^2
Now, the ratio would be the area of circle A / circle B.
36pi / 121pi = 113.10 in^2 / 380.13 in^2
Hope this helps!! :)
