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.
Know MoreThe 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.
Learn more about ShapesA 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.
Full Answer >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."
Full Answer >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.
Full Answer >There are examples of pentagons in real life in man-made structures like the Pentagon in the United States, and also in nature in flowers like morning glories and okra. Other items, like home plates in baseball, are often in the shape of irregular pentagons.
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