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How many Faces does a Triangular Prism have?

TopA triangular prism is a type of prism which consists of two triangular bases and also has three rectangular sides. A triangular prism is a type of pentahedron. A pentahedron has surface area and volume. In a Pentahedron, two faces are parallel.

Now, we will see how many faces does a triangular prism have.

A prism is a type of a solid object, which has two identical ends and all the faces of a prism are flat. Prism is a type of a polyhedron.

A triangular prism has five faces, six vertices and nine edges. A triangular prism is a three sided prism. It is made up of triangular base.
How many Faces does a Triangular Prism have
We use the following formula to find the volume of any prism:

Volume of a prism = $\frac{1}{2}$ b x h x l

Where, ‘b’ is the length of triangle base
H is the height of a triangle
and, ‘l’ is the length between the triangles.

Volume of a prism is the product of area of the given base and the distance between two bases.

Now, we will find the volume of a triangular prism.
We can say that the number of cubical units which exactly fill in a triangular prism is the volume of a triangular prism.
The volume of a triangular prism = a x h
Where, ‘a’ is the area of one triangular end face
and, ‘h’ is the height of a triangular prism.
When we find the area of any triangular prism, then we have to multiply the area of one of the bases by its height.

There are different types of prism as follows:
  • Square prism
  • Cross section prism
  • Regular prism
  • Irregular prism
The prism which has a shape with equal length and all the angles are also equal is known as regular prism. A prism which does not have equal length and angle is known as irregular prism.