Cuboid.
Cuboid
A rectangular prism.
A cuboid.
Opened hexagonal prism.
Cuboid.
cuboid, rectangular prism
The solid is a cuboid, or "right rectangular prism" in which all angles are right angles. It is a box shape, or regular hexahedron.
cube
circle
Cuboid
cube
A rectangular prism.
6 rectangles an 2 hexagon * * * * * A hexagonal prism.
There is no form of a hexahedron whose name starts with a d.However, an octagonal prism has 6 (and more) faces, some of the are rectangles and it is a from of a decahedron.
a cube
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