Answer in Geometry
1.Regular polyhedron means the 3 dimensional figure which consists of regular 2 dimensional figures. In our case it is a regular octahedral which consists of 8 regular triangles.
2.Hexadron is a figure with 6 faces. Included it is a prism, a relevant figure for this description would parallelepiped. The sketch provides right parallepiped.The base of it is rectangle.
3.The base of a pectangonal prism is pentagon. According, to this, the sketch is the following:
The prism on the sketch is right and regular.
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