Respuesta :

The height is 11 ft.

The formula for the volume of a right pyramid is V=1/3Bh, where B is the area of the base and h is the height.  Substituting the known information, we have:

297=1/3(81)h
297=27h

Divide both sides by 27:
297/27 = 27h/27
11 = h
blazecarley

I don't know if this is right but I got 0.14