What 3d shape has 8 triangular faces?

octahedron
What is an octahedron? Octahedra have: 8 triangular faces. 12 edges.

Why is it called a cuboctahedron?

It is radially equilateral. Its dual polyhedron is the rhombic dodecahedron. The cuboctahedron was probably known to Plato: Heron’s Definitiones quotes Archimedes as saying that Plato knew of a solid made of 8 triangles and 6 squares….

What is a 100 sided shape called 3d?

Zocchihedron is the trademark of a 100-sided die invented by Lou Zocchi, which debuted in 1985. Rather than being a polyhedron, it is more like a ball with 100 flattened planes. It is sometimes called “Zocchi’s Golfball”.

What is a 3d shape with 10 faces called?

pentagonal antiprism. Properties. convex, face-transitive. In geometry, a pentagonal trapezohedron or deltohedron is the third in an infinite series of face-transitive polyhedra which are dual polyhedra to the antiprisms. It has ten faces (i.e., it is a decahedron) which are congruent kites.

Why are there only 5 Platonic solids?

In a nutshell: it is impossible to have more than 5 platonic solids, because any other possibility violates simple rules about the number of edges, corners and faces we can have together.

What is a 1000 sided 3d shape called?

In geometry, a chiliagon (/ˈkɪliəɡɒn/) or 1000-gon is a polygon with 1,000 sides. Philosophers commonly refer to chiliagons to illustrate ideas about the nature and workings of thought, meaning, and mental representation.

What is a 1000000 sided shape called?

Regular megagon
Megagon

What is a 14 sided 3d shape called?

A tetradecahedron is a 14-sided polyhedron, sometimes called a tetrakaidecahedron.

What is a 11 sided shape called 3d?

What is the name of a polyhedra with…?