Respuesta :

volume is

[tex]\begin{gathered} V=Ab\times h \\ V=\frac{bh}{2}\times h \\ V=\frac{9\times9}{2}\times13 \\ V=\frac{81}{2}\times13 \\ V=\frac{1053}{2} \\ V=526.5 \end{gathered}[/tex]

answer: 526.5 ft3