Cuboid
i dont know
Square
A pentagon (a shape with 5 sides). Just stack the shapes ontop of eachother.
becomes heavy because the ang decimal number ay marami kay sa sa stack ng tsinelas
It depends on the number of nickels.
i dont know
Rectangles are two dimensional objects- they have no thickness. Therefore you cannot "stack" them and so there will be no 3-D shape.
Cube
Hyperbola
Square
Cube
Ergonomics. The shape makes them easier to deploy en masse, makes them easier to stack together for storage, and takes up less space than a number of other shapes.
Stack.
cone
A pyramid will not roll and you cannot stack objects on top.
A cylinder
u stack 20 of them together