Definition of Triangular Prism

What is a triangular prism in geometry?

Triangular prism

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 12. The rotation group (en) is D3 of order 6.

The symmetry group does not contain central symmetry (inversion at a point).

How to calculate the volume of a triangular prism
How to calculate Surface area of a 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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How to calculate the volume of a triangular prism

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You may think that the volume of a triangular prism is calculated in the same way as that of a pyramid, but this is not at all the case. Indeed, a triangular prism is a polyhedron made up of two triangular bases and three rectangular lateral faces. To calculate its volume, you just need to determine the area of one of the triangular bases and multiply it by the height of the prism. 1- Calculate the area of a triangular base Find the necessary dimensions. Find the width and height of the triangle. Look at it and note the length of its base as well as its height.  Be sure to note the height of the triangle, not the prism. You can measure any of the triangular bases, because they have exactly the same dimensions. Use the appropriate formula. Note the formula for calculating the area of a triangle. Once you have measured the dimensions of the triangular base, apply the formula with these measurements. The formula for calculating the area of a triangle is as follows : A be...
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