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Five. They are:
- Tetrahedron (4 triangles)
- Cube (6 squares)
- Octahedron (8 triangles)
- Dodecahedron (12 pentagons)
- Icosahedron (20 triangles).
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∙ 8y ago
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What shape has two opposite identical faces?
A cube, a dodecahedron, an icosahedron amongst regular polyhedra. Many irregular polyhedra, including a prism.
Is a polyhedron a cube?
A polyhedron is a solid with flat faces - a cube is just one of many different examples of regular polyhedra - otherwise known as platonic solids.
What do platonic solids have in common?
They are all convex, they are all polyhedra and they are all regular.
What is the formula for volume of a polyhedron?
There are different formulae for different polyhedra and these depend on what information about the polyhedron is given.
Which solid figure is not a prism?
A regular polyhedron (other than a hexahedron), any pyramid, as well as most irregular polyhedra.
How do you get the volume of a regular solid?
There are different formulae for different solids such as spheres or polyhedra.
What are the five regular polyhedra?
The five regular polyhedra are Tetrahedron, Hexahedron(cube), octahedron, dodecahedron and Icosahedron.
What is the formula for volume of a regular solid?
I think its LxWxH * * * * * No it is not. There are different formulae for different solids such as spheres and polyhedra etc.
What is a regular polyhedra with 12 regular pentagon faces?
dodecahedron
What shape has two opposite identical faces?
A cube, a dodecahedron, an icosahedron amongst regular polyhedra. Many irregular polyhedra, including a prism.
What is a 7 regular polyhedra?
There are only 5 regular polyhedra: those with 4, 6, 8, 12 and 20 faces. If you know of 7 polyhedra there may be a Fields Medal (the Nobel prize for mathematicians) for you!
Is a polyhedron a cube?
A polyhedron is a solid with flat faces - a cube is just one of many different examples of regular polyhedra - otherwise known as platonic solids.
What is unique about the platonic solids?
They are regular polyhedra.
Is a polyhedron with two parallel congruent faces?
There are infinitely many such polyhedra. A regular dodecahedron, for example.
Does the platonic solids consist of regular polyhedra?
Yes, they do.
Which figures have congruent bases?
Prisms, regular polyhedra.
Witch polyhedra has 12 regular pentagons as faces?
dodecahedron
