Answer
V=2304$\pi$ in$^3$$\approx$7238 in$^3$
Work Step by Step
r=$\frac{1}{2}$d
r=$\frac{1}{2}$(24)
r=12
V=$\frac{4}{3}$$\pi$r$^3$
V=$\frac{4}{3}$$\pi$(12)$^3$
V=$\frac{4}{3}$$\pi$(1728)
V=$\frac{1728(4)}{3}$$\pi$
V=$\frac{6912}{3}$$\pi$
V=2304$\pi$ in$^3$$\approx$7238 in$^3$