[tex]\begin{gathered} \text{Volume}=\frac{\text{base area}\cdot height}{3} \\ \text{base area = 11in}^2 \\ \text{height}=6in \\ \text{Volume}=\frac{(11)\cdot(6)}{3} \\ \text{Volume}=\frac{66}{3} \\ \text{Volume}=22 \\ \text{the volume of the speaker is 22in}^3 \end{gathered}[/tex]
