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**A hexagonal prism** is a polyhedron, the two faces of equal hexagons lying in parallel planes. The remaining faces (side faces) are parallelograms that have common sides with these triangles.

**A regular hexagonal prism** is a hexagonal prism whose bases have regular hexagons (all sides of which are equal, the angles between the sides of the base are 120 degrees), and the side faces are rectangles.

**Prism bases** are equal to regular hexagons.

**The side faces** of the prism are rectangles.

**The side edges** of the prism are parallel and equal.

The dimensions of the prism can be expressed in terms of side length **a** and height** h**.

**The prism's total surface area **is equal to the sum of its lateral surface area and the doubled area of the base.

The formula of the surface area of a hexagonal prism:

**The volume of a prism** is equal to the product of its height and base area.

The formula of volume of a regular hexagonal prism:

The regular hexagonal prism can be** inscribed into the cylinder**.

The formula for the radius of the cylinder:

The **dual polyhedron** of a direct prism is a bipyramid.

Historically, the concept of "prism" arose from Latin and meant - something sawed.

The animation demonstrates how two parallel planes cutting off the excess from the two bases of the prism. From a single workpiece, you can get both the regular prism and an oblique prism.

Geometric dimensions of the finished prism (mm):

Length = 90

Width = 78

Height = 45

Geometric dimensions of the finished prism (mm):

Length = 73

Width = 64

Height = 73

Geometric dimensions of the finished prism (mm):

Length = 62

Width = 54

Height = 93

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