u cut a 4 by 4 square and then fold it itno a box. wats the volume of the box?
the volume of a pyramid is 30 cm. wat are the dimenions??
2. The volume never can't be 30 cm - that's a length.
What kind of pyramid are you referring to? Right pyramid? With a rectangle or triangle or 27-gon as base area? Tell us a little bit more please.
Best would be if you can type the original text of your problem...