Respuesta :

Answer:

C

Step-by-step explanation:

This is because in order to find the area, you need to dfine R^2*PI and half of 12 is 6 so 6*6 is 36 and 36 times 3.14 is 113.04 and since you need to convert it into cal, times that by 22 which is C

The answer is C or 3