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The generic name of a polyhedron is based on the number of faces that it has. Thus, a polyhedron with 6 faces is a hexahedron. However, there are different kinds of hexahedra with names that are more descriptive of their shapes. Hexahedra can be triangle based dipyramids (two triangular pyramids stuck together base-to-base); pentagon based pyramids or variants of parallelepipeds. There are only three topologically distinct hexahedra. With more faces the number of variation increases and the nomenclature becomes more complicated. In the case of octahedra, there are 257 including ones called tridiminished icosahedron.
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Polyhedra are named by the shape of their what?
Sides
What does a cube and a square pyramid have in common?
They are polyhedra, each with a square base.They are polyhedra, each with a square base.They are polyhedra, each with a square base.They are polyhedra, each with a square base.
Are polyhedra prisms?
NO, but prisms are polyhedra. Polyhedra include a lot more shapes than just prisms.
Is a triangular prism a polyhedra?
A triangular prism is a polyhedron. Polyhedra is a plural term.
Is a hexagonal prism a polyhedra or a nonpolyhedra?
A hexagonal prism is a polyhedron. Many hexagonal prisms are polyhedra.
Polyhedra are named by the shape of their what?
Sides
How do you name a polyhedra?
Polyhedra are named by the number of faces they contain. The names are based on Classical Greek. Over time, some polyhedra have become known by common, non-Greek names, i.e. a regular hexahedron is commonly called a cube.
What does a cube and a square pyramid have in common?
They are polyhedra, each with a square base.They are polyhedra, each with a square base.They are polyhedra, each with a square base.They are polyhedra, each with a square base.
Are polyhedra prisms?
NO, but prisms are polyhedra. Polyhedra include a lot more shapes than just prisms.
Is a pyramid a polyhedra?
No. A pyramid is a polyhedron. Many pyramids are polyhedra.
When was Polyhedra DBMS created?
Polyhedra DBMS was created in 1993.
Is a tetrahdron a polyhedra?
Not exactly. A tetrahedron is a polyhedron. Many tetrahedra are polyhedra.
Are cones and cylinders polyhedra?
No. They have curved edges, so they can't be polyhedra.
Is a triangular prism a polyhedra?
A triangular prism is a polyhedron. Polyhedra is a plural term.
What is the difference between a polyhedron and polyhedra?
One polyhedron; many polyhedra. Simple,wasn't that?
Is a hexagonal prism a polyhedra or a nonpolyhedra?
A hexagonal prism is a polyhedron. Many hexagonal prisms are polyhedra.
What are the five regular polyhedra?
The five regular polyhedra are Tetrahedron, Hexahedron(cube), octahedron, dodecahedron and Icosahedron.
