A hexahedron is a three-dimensional geometric shape having six sides; a hexagon is a two-dimensional six-sided shape.
Poldyron is a geometric construction product. It is mainly in schools for teaching 2 and 3 dimensional shape and space.
geometric shaping or geometric figuring
Any 2-dimensional shape can be folded to form a 3-d shape. For example, any work of origami.
...a cylinder...
If I were a 2-dimensional geometric shape I would not be able to answer such questions.
It is usually a plane shape bounded by a polygon or a simple 2-dimensional shape.
A rectangluar prisim as a 3 dimensional shape but a rectangle as a 2 dimensional shape.
A hexahedron is a three-dimensional geometric shape having six sides; a hexagon is a two-dimensional six-sided shape.
A cylinder fits that description.
In 2-dimensional geometry, the first shape circumscribesthe second while the second is inscribed in the first.
10 vertices
A regular pentagon.
Poldyron is a geometric construction product. It is mainly in schools for teaching 2 and 3 dimensional shape and space.
A polygon is a 2-dimensional shape whereas a hexahedron is 3-dimensional. Therefore a polygon that is a hexahedron could by called a geometric impossibility.
Perimeter is a geometric concept that is relevant for 2-dimensional shapes. Blood pressure is not a shape.
If the triangles are congruent then it is a triangular-based prism.