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a triangular based pyramid

There are an infinite no of shapes that have exactly 4 triangular faces. The two commonest are a tetrahedron and an Egyptian pyramid. If the question is re-phrased to "What shape has exactly four faces, (all of which are triangular), then the only answer is a tetrahedron. An Egyptian pyramid has five faces - a square base and four triangular sides. It is regular (the apex is vertically above the center of the base) and the sides are isosceles.

A triangular pyramid.

The only pyramid with exactly four faces is the triangular pyramid.

The solid shape that has one square face and four triangular faces is called a pyramid. If you were to have a shape that had four triangular faces and no square face, it would be called a triangular pyramid.

triangular pyramid

A square or rectangular pyramid.NO. The above have four triangular faces PLUS a square or rectangular face. A tetrahedron has only four faces, all of which are triangular.A triangular based pyramid has 4 triangular faces, 6 edges and 4 vertices

a triangular pyramid has six edges and four triangular shaped faces

A triangular based pyramid has four vertices and four faces

3d shape Well actually it is a Cube

There is no shape with only four triangular faces and five vertices. If there is also a quadrilateral face then it is a quadrialteral based pyramid.

A triangular based pyramid (tetrahedron) has 4 triangular faces, 6 edges and 4 vertices.

a triangular pyramid

A tetrahedron.

A triangular pyramid has.

Triangular pyramid.

There is no solid shape with exactly four squares and no other faces.

A TETRAHEDRON has four congruent triangular faces four vertices six edges. "Tetra" means "four" in Greek "Hedron" means "sided"

It is a square pyramid.

pyramid

A triangular based pyramid

Trapezium, or triangular pyramid * * * * * A triangular pyramid, yes. But not a trapezium since that does not have four triangular faces.

A triangular pyramid has four triangular faces.

A triangular pyramid, also known as a tetrahedron, has four faces. This three-dimensional geometric shape is made up of four triangular bases.

A pyramid