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No, because the base of the triangle can be basically any polygon, and only a triangle with an equilateral triangle is a platonic solid.

To be more specific, only a regular tetrahedron, in which all 4 triangular faces are equilateral, is a platonic solid. Any triangular pyramid is a tetrahedron, but not necessarily a regular tetrahedron. The pyramids in Egypt and Central America are square pyramids, by the way, not triangular.

No because only tetrahedron pyramids are Platonic Solids that have 4 triangular faces, 6 edges and 4 vertices

Q: Are all pyramids platonic solids

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We don't know for certain who discovered the platonic solids first. However, Pythagoras is credited by some sources as discovering the platonic solids first. Other sources credit Theaetetus as being the first to describe all five platonic solids and proving that these are the *only* platonic solids.

The book called Platonic Solids: The experience

There are different numbers on the different platonic solids.

The five platonic solids.

The Platonic solids were name after the Greek philosopher Plato, who theorized that the classical elements were constructed from the regular solids.

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We don't know for certain who discovered the platonic solids first. However, Pythagoras is credited by some sources as discovering the platonic solids first. Other sources credit Theaetetus as being the first to describe all five platonic solids and proving that these are the *only* platonic solids.

There (not their) are 5 platonic solids.

false

The book called Platonic Solids: The experience

There are different numbers on the different platonic solids.

They're all three-dimensional.

The five platonic solids.

They are all convex, they are all polyhedra and they are all regular.

Why are there a limited number of platonic solids?Read more: Why_are_there_a_limited_number_of_platonic_solids

There are 5 platonic solids. They are: Tetrahedron, Octahedron, Icosahedron, Cube, and Dodecahedron

The Platonic solids were name after the Greek philosopher Plato, who theorized that the classical elements were constructed from the regular solids.