A box is made from thin metal sheet, with vertical sides and no top. The base is a rectangle whose length is twice the breadth. if the box can hold 288cm³, what are the dimensions if the minimum amount of material is to be used? ( ignore any overlaps)

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.