Respuesta :

Answer:

I am deeply sorry for the late answer

but the answer is The answer is

r ≈ 6

Step-by-step explanation:

The answer is r ≈ 6


A ≈ 113.04 cubic in.  

this means that  

d ≈ 12

and

C ≈ 37.69

Therefore

r ≈ 6

Hope this helped.