The volume of the pyramid is given as:
[tex]V=\frac{1}{3}Bh[/tex]
where B is the area of the base and h is the height.
In this case the area of the base is 72 and the height is 13, then the volume is:
[tex]V=\frac{1}{3}(72)(13)=312[/tex]
Therefore the volume is 312 squared cm.
