Question

Look at the picture. I really need this answer to continue and I just can’t figure it out! I must be doing something wrong

Answer 1

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