Surface area of a triangular prism

The surface area of a right triangular prism is the area of the three rectangular sides plus the area of the two triangles forming the bases.


s1, s2, s3 = lengths of the sides of a triangle

b = base of the triangle (equal to one of these three lengths, as desired)

h = height of the triangle associated with this base

H = Height of the prism

s1 + s2 + s3 = perimeter of the triangle

Surface area of a triangular prism


How to calculate the volume of a triangular prism
The Definition of Triangular Prism
How many faces, edges, and vertices does a triangular prism have?

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How many faces, edges, and vertices does a triangular prism have?

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See the image of a triangular prism given below. It can be seen that it has two triangular faces and three rectangular faces. So How many faces, edges, and vertices does a triangular prism have?   A triangular prism has 5 faces. Both the triangles have three vertices each, which are not common. The vertices of the rectangles are covered when we consider the vertices of the triangles. A triangular prism has 6 vertices. Each vertex of a triangle is joined to a vertex of the other triangle by an edge. Each of the vertices of a particular triangle are joined to its two other vertices by an edge each. These edges include all the edges of the rectangles. A triangular prism has 9 edges. Click here to know how to calculate the volume of a triangular prism Click Here to know how to calculate Surface area of a triangular prism Click Here to see the Definition of Triangular Prism
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Definition of Triangular Prism

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What is a triangular prism in geometry? In geometry, a triangular prism or "three-sided prism" is a polyhedron made from a triangular base, a translated copy and 3 faces joining the corresponding sides. If the sides are squares, it is called a uniform polyhedron . Equivalently, it is a pentahedron whose two faces are parallel, while the normals to the surfaces of the other three are in the same plane (which is not necessarily parallel to the planes of the bases). These three faces are parallelograms. All cross sections parallel to the base faces are the same triangle. A right triangular prism is semi-regular if the faces of the bases are equilateral triangles, and the other three faces are squares. A general right triangular prism can have rectangular sides. The dual of a triangular prism is a 3-sided bipyramid. The symmetry group of a 3-sided straight prism with a regular base is the prismatic group D3h (en), isomorphic to the dihedral group D6 of order 1
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