a hexagon
The solid shape/figure that has six rectangles as faces is called a rectangular prism. The general term for any shape with six faces, regardless of shape is a hexahedron.
cube
A Cuboid has 6 rectangular faces.
A circle
A cube has six faces and all are congruent squares.
triangle
cuboid
A cube satisfies that description.
a pentagonal pyrimad
A hexagon is a 2d shape with six sides, a hexahedron is a 3d shape with six faces.
A cube has six rectangular faces. * * * * * Strictly speaking, that is wrong. A cube has six SQUARE faces. A shape with exactly 6 rectangular faces is a cuboid.
Six faces.