## Elementary Geometry for College Students (5th Edition)

diameter = 2 r = $\frac{3}{4}$ h r = $\frac{3}{8}$ h Volume = $\pi$ $r^{2}$ h 9 $\pi$ $in.^{3}$ = $\pi$ $(\frac{3}{8} h)^{2}$ h 9 $\pi$ $in.^{3}$ = $\frac{9}{64}$ $\pi$ $h^{3}$ $h^{3}$ = 64 $in.^{3}$ h = 4 in.