The answer is probably c if I’m correct
Answer:

Step-by-step explanation:
Using pythagoras theorem,

There<u> four sixties </u> the remainder is 4
Volume of a cone = pir^2h/3
so substitute what you know
1,102.14 = 3.14(r^2)(13/3)
divide by 3.14
351 = r^2(4.3333)
divde by 13/3
81 = r^2
r = 9 inches