Answer:
6866.1 cubic inch
Step-by-step explanation:
[tex]volume \: of\:right \:circular \: cone \\ \\ = \frac{1}{3}\pi {r}^{2} h \\ \\ = \frac{1}{3} \times 3.14 \times {(20)}^{2} \times 16.4 \\ \\ = \frac{1}{3} \times 3.14 \times 400 \times 16.4 \\, \\ = \frac{1}{3} \times 3.14 \times 400 \times 16.4 \\ = 6,866.1 \: {inch}^{3} \\ \\ \red{ \bold{volume \: of \: cone = 6866.1 \: {inch}^{3}}}[/tex]