Deltahedron


A polyhedron whose faces are congruent equilateral triangles are called "deltahedron".There exist only 8 deltahedrons.A deltahedron which has 18 faces doesn't exist.Deltahedron which has 4,8,20 faces is a Platonic solid.


Deltahedron
4 faces
6 faces
8 faces
10 faces
12 faces
14 faces
16 faces
20 faces
tetrahedoron octahedoron icosahedoron

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