The answer is 91 ............
Answer:
I think the answer is 5
Step-by-step explanation:
Answer:
I'm not sure which you mean, so I'll give the answer to both:

Answer:
V=75pi ft^3 or 235.619 ft^3
Step-by-step explanation:
area of base times length
area of circle = pi * r^2 where r = 1/2 * diameter
A = pi * 2.5^2
A= 6.25pi ft^2
multiply by length
V= 6.25pi*12
V=75 pi
1/15. 8/60 simplified down is 1/15