A cube.
A solid figure with six sides could be a rectangular prism.
A cube
NO!!!! A square is a two-dimensional shape, drawn on a surface. It has only one face, viz. the surface that it is drawn on. It has four sides, and four angles. A solid 3-dimensional figure with 6 congruent faces is a 'CUBE' . Each face of a cube is a 'square'. That is probably were you are confused!!!!!
a square
rectangle
A solid figure with six sides could be a rectangular prism.
A cube
NO!!!! A square is a two-dimensional shape, drawn on a surface. It has only one face, viz. the surface that it is drawn on. It has four sides, and four angles. A solid 3-dimensional figure with 6 congruent faces is a 'CUBE' . Each face of a cube is a 'square'. That is probably were you are confused!!!!!
a square
rectangle
A basic pyramid with three sides?
A solid shape with 6 faces, yes. A plane shape with 6 sides is a hexagon.
square
This is a cube.
square based Pyramid
A cube. Each side is a square, and a cube has 6 sides.
A rectangular prizm