The side that is curved, when placed by itself (without bending or manipulating in any way), is not a polygon, making the shape not entirely made of polygons. A 3D figure must be made by only polygons to be a polyhedron.
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cylinder, cube, cone, sphere, rectangular solid, polyhedron
Yes, a cone would fit such a description
yes, because polyhedron is a oblique and im pogi like jan ardy diego
A polyhedron is in a subclass of geometric solids. The difference is that a polyhedron must have flat faces and straight edges.
No, because a polyhedron is a solid with many flat faces. A heptagon is not a 3-D figure. However, a pyramid or prism would be a polyhedron.