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Is a prism a regular polyhedron?
yes
What shape has 9 diagonals?
a decahedron a decahedron
How many sides does a decahedron have?
How many sides does a Decahedron Have
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 regular polyhedron has 30 edges?
none and if it does it would be impossible for it to be a regular figure and it wouldn't really be a shape that has a name unless you make one up
Is a decahedron a regular polyhedron?
No.
What is a polyhedron with 10 octagons?
A decahedron.
How many vertices edges and faces does a decahedron have?
In geometry, a decahedron is a polyhedron with ten faces. There are 32300 topologically distinct decahedra and none are regular, so this name is ambiguous.One regular decahedron is an octagonal prism. Along with its 10 faces, it has 16 vertices and 24 edges.
What do you call a polyhedron with 10 triangular faces?
In general, any 10-sided polyhedron is called a decahedron. With 10 regular triangles for faces, you may have a pentagonal bipyramid.
What is a polyhedron that has 10 faces called?
Decahedron :)
What is a Tecahedron?
If you mean a decahedron then it is a polyhedron with 10 faces
What is a 10 sided polyhedron called?
An octahedron, which looks like 2 pyramids glued bottom to bottom.
Is there a decahadron in nature?
No, a decahedron is a ten-sided polyhedron, which is a geometric shape. It is not a naturally occurring shape in nature.
What is a regular decahedron?
None of the 32,300 topologically distinct decahedra is regular.
Number of faces and edges and vertices of a decahedron?
A decahedron is a polyhedron with 10 faces. There are several versions of a decahedron, but none of these are regular. By definition, they all have 10 faces. There is the octagonal prism - with 24 edges and 16 vertices, the square anti-prism, with 16 edges and 8 vertices, the square cupola, with 20 edges and 12 vertices, the pentagonal bi-pyramid, with 15 edges and 7 vertices and the augmented pentagonal prism, with 19 edges and 11 vertices. See, for example, http://en.wikipedia.org/wiki/Decahedron
Is a truncated isocahedron a regular polyhedron?
No. It is a semi-regular polyhedron. Explanation. The truncated icosahedron is a polyhedron that can be constructed from an icosahedron with the 12 vertices truncated (cut off) such that one third of each edge is cut off at each of both ends. This creates 12 new pentagon faces, and leaves the original 20 triangle faces as regular hexagons A regular polyhedron is a polyhedron whose faces are congruent regular polygons. The truncated icosahedron is NOT a regular polyhedron, it is a semiregular polyhedron. It is a uniform polyhedron.
Is a sphere a polyhedron?
No, a sphere is not a polyhedron.A polyhedron is a three-dimensional geometric figure whose sides are polygons.A regular polyhedron is a polyhedron whose faces are all congruent regular polygons.
