To find the volume of a rectangular prism, multiply the length, width and height. The unit for measuring the volume of a rectangular prism is cubic units i.e. cm3, mm3, in3, m3 etc.
[tex]V=a\cdot b\cdot c[/tex][tex]\begin{gathered} V=6\cdot3\cdot3 \\ V=54 \end{gathered}[/tex]The answer would be 54 ft3
