Yes, a tetrahedron is a type of pyramid because a pyramid is a polyhedron for which the base is always a polygon and the other lateral faces are triangles. A regular tetrahedron has all its faces as equilateral triangles.Unlike other platonic solids, it has no parallel faces.All four vertices are equally distant from each other in a regular tetrahedron.It has 4 faces, 6 edges, and 4 corners.What are the Properties of a Tetrahedron? A tetrahedron is different from a square pyramid, which has a square base. It is also referred to as a ' Triangular Pyramid' because the base of a tetrahedron is a triangle. Where a is the side length of the regular tetrahedron.įAQs on Tetrahedron What is a Tetrahedron?Ī tetrahedron is a platonic solid which has 4 triangular faces, 6 edges, and 4 corners. TSA of Regular Tetrahedron = Sum of 4 congruent equilateral triangles (i.e. The formula to calculate the total surface area of a regular tetrahedron is given as, The total surface area of a tetrahedron is defined as the surface area of all the faces of a tetrahedron. Where a is the side length of a regular tetrahedron. LSA of Regular Tetrahedron = Sum of 3 congruent equilateral triangles (i.e. The formula to calculate the lateral surface area of a regular tetrahedron is given as, The lateral surface area of a tetrahedron is defined as the surface area of the lateral or the slant faces of a tetrahedron. A tetrahedron can have two types of surface areas: It is expressed in square units, like m 2, cm 2, in 2, ft 2, yd 2, etc. The surface area of a tetrahedron is defined as the total area or region covered by all the faces of the shape.
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