They may be called lateral faces.
A Triangular Based Pyramid is a Pyramid which has triangular faces and a triangular base. It has 4 vertices, 6 sides, and 4 faces. A Triangular Based Pyramid is also called a Tetrahedron
The height of the triangular face of a pyramid is called the slant height.
base
Triangular Pyramid......... The faces are Triangular....
A triangular pyramid has four triangular faces.
There are four faces in a 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.
The shape you are describing is a triangular pyramid. A triangular pyramid has a base that is a triangle and three triangular faces that meet at a single point called the apex. The base of the pyramid is a rectangle, which is a quadrilateral with four right angles. The triangular faces of the pyramid connect the vertices of the base to the apex.
A tetrahydron is a triangular pyramid having congruent equilateral triangles for each of its faces.
Each of them has four triangular faces.
Its called the triastermede. Hope this helps!
In geometry, pyramid has many forms such as rectangular pyramid, trapezoidal pyramid, quadrilateral pyramid and even triangular pyramid. Triangular pyramid is a pyramid with triangular base and can be called as a tetrahedron if each of its faces has congruent equilateral triangles.