[tex]V= \frac{r^2\pi(h_1+h_2)}{2}
\\
\\ \frac{3}{4} = \frac{h_1-h_2}{d}
\\ \frac{3}{4} = \frac{16-h_2}{5}
\\ 4(16-h_2)=5 \times 3
\\64-4h_2=15
\\49=4h_2
\\h_2= \frac{49}{4}=12.25
\\
\\r= \frac{d}{2}
\\r=2.5
\\
\\V= \frac{r^2\pi(h_1+h_2)}{2} = \frac{2.5^2\pi(12.25+16)}{2} =88.28 \pi[/tex]
