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What are the five regular polyhedra?
The five regular polyhedra are Tetrahedron, Hexahedron(cube), octahedron, dodecahedron and Icosahedron.
What is a regular polyhedra with 12 regular pentagon faces?
dodecahedron
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!
What is unique about the platonic solids?
They are regular polyhedra.
Is an icosahedron a semi-regular or regular polygon?
An icosahedron is in fact not a polygon at all, but a polyhedron. As a polyhedron it is regular however. The regular icosahedron is one of only five possible regular polyhedra. It has 20 faces, each of which is an equilateral triangle.
Is a cube a polyhedron?
Yes. It is one of the five regular polyhedra known from ancient Greek times or earlier.See http://www.math.rutgers.edu/~erowland/polyhedra.html .
Is a cone a Platonic solid?
No, a cone is not a Platonic solid. The Platonic solids are the five regular polyhedra: tetrahedron, cube, octahedron, dodecahedron, and icosahedron.
Which figures have congruent bases?
Prisms, regular polyhedra.
Does the platonic solids consist of regular polyhedra?
Yes, they do.
What are the four types of 3D shapes?
There are a lot more than 4 types. Some simple examples: regular polyhedra, other polyhedra, star shapes, ellipoids (including spheres), toroids (like cycle inner tubes), shapes with two "holes" in them, totally irregular blobby shapes.
Witch polyhedra has 12 regular pentagons as faces?
dodecahedron
What shapes have identicle faces?
Regular polyhedra have identical faces.
