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# How Many Edges Does a Triangular Prism Have?

A triangular prism has nine edges. It consists of a triangular base, a translated copy of the base and three quadrilaterals, for a total of five faces and six vertices.

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The surface area of a triangular prism can be calculated by taking the area of each of the five faces (two triangles and three quadrilaterals) and adding them together.

The volume of a triangular prism is the area of one of the triangles multiplied by the length of a quadrilateral (which represents the distance between the two triangles.) According to About.com, the formula is V = (1/2)bhl where b and h are the base and height of a triangle, and l is the length of a quadrilateral.

A triangular prism is a pentahedron. A pentahedron is a polyhedron with five faces.

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## What Are the Shapes of the Faces of a Triangular Prism?

A: The faces of a triangular prism are parallelograms while the two bases are triangles. This gives the prism three faces. In a regular prism, the faces are r... Full Answer >Filed Under: -
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## How Do You Find the Surface Area of a Triangular Prism?

A: Calculate the surface area of a triangular prism using the formula (b x h) + (S1 + S2 + S3) H. You need the value of "b," or base of the triangle, "h," or ... Full Answer >Filed Under: -
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## What Is the Formula for the Surface Area of a Triangular Prism?

A: The formula for the surface area of a triangular prism is SA = bh + (s1 + s2 + s3)H. In this formula, "b" is the triangle base, "h" is the triangle height,... Full Answer >Filed Under: -
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## How Many Edges Does a Hexagonal Prism Have?

A: A hexagonal prism always has 18 edges. There are six edges around the top and bottom hexagon faces, equaling 12 edges, and another six where the faces are ... Full Answer >Filed Under: