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# What is a 3D pentagon shape called?

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One term used for a 3D pentagon is a shape called a pentagonal prism. According to Reference.com, this is the polygon that results when you take a pentagon, transcribe a copy of it, and connect the two pentagons using five quadrilateral faces.

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The pentagonal prism should not be confused with a pentahedron, which is a 3D polyhedron with five faces. An example of a pentahedron would be a triangular prism – two triangles and three quadrilaterals.

A pentagonal prism is a kind of heptahedron because it has seven faces – two pentagons and five quadrilaterals. Additionally, a pentagonal prism has 15 edges and 10 vertices.

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## Related Questions

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A 3D hexagon is called a hexagonal prism. It has two hexagons for bases and six rectangular sides. A hexagonal prism is classified as an octahedron, which is a three-dimensional geometric object with eight faces.

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A three-dimensional rectangular object is called a "cuboid," which means "similar to a cube" or "resembling a cube." It is also referred to as a "rectangular parallelepiped."

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Instructors teach 3D shapes using books with colorful pictures or by demonstrating with real objects. Others use foldable nets, videos or games and integrate terminology regarding the shapes in general conversations with the kids. Using repetition and chants serves as a powerful way of teaching 3D shapes to kids.