By the shape...
A rectangular prism or cuboid.
Yes
a box of matches is a rectangular prism
That is a rectangular solid.
By the shape...
A rectangular prism or cuboid.
Cuboid.
Yes
yes
A solid box is a cube.
a box of matches is a rectangular prism
3-dimensional rectangle.
A cereal box is a six sided rectangular polyhedron called a rectangular cuboid. Each of its faces has the shape of a rectangle.
a rectangle
a rectangle a hexagon
a Rectangular Prisim