A tetrahedron.
A triangular based pyramid with 4 equilateral triangle faces is a tetrahedron
No, the sides of the Great Pyramid of Giza are not equilateral triangles. The pyramid is a square-based pyramid, meaning it has a square base and four triangular faces that rise to a single apex. While the triangular faces are isosceles triangles with two equal sides, they are not equilateral, as the base of each triangle is not equal in length to the other two sides.
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
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
A regular pyramid has an equilateral triangular base
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.