Answer:
Exact: V = 2137.5π in.³
Approx.: 6715.1 in.³
Explanation:
The outer diameter is 16".
The thickness of the pipe is 0.5".
The inner diameter is 16" - 0.5" - 0.5" = 15"
r = radius = diameter/2 = 15"/2 = 7.5"
h = 38"
V = πr²h
V = π × (7.5")² × 38"
Exact: V = 2137.5π in.³
Approx.: 6715.1 in.³