A triangular based pyramid with 4 equilateral triangle faces is a tetrahedron
A cube, rectangular prism, or pyramid.
A triangular pyramid is usually called a tetrahedron; its base is an equilateral triangle, as are the other three of its sides. An Egyptian pyramid has a square base; the other four sides are isosceles triangles.
It is a tetrahedron
Triangular Pyramid
A triangular based pyramid with 4 equilateral triangle faces is a tetrahedron
A cube, rectangular prism, or pyramid.
A triangular pyramid is usually called a tetrahedron; its base is an equilateral triangle, as are the other three of its sides. An Egyptian pyramid has a square base; the other four sides are isosceles triangles.
A regular pyramid has an equilateral triangular base
It is a tetrahedron
Triangular Pyramid
an equilateral pyramid
A tetrahydron is a triangular pyramid having congruent equilateral triangles for each of its faces.
An equilateral triangular pyramid
It can be a pyramid shape with an equilateral triangle base
equilateral
A triangular pyramid is a pyramid having a triangular base. The tetrahedron is a triangular pyramid having congruent equilateral triangles for each of its faces.