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Because the literal meaning of polyhedron means 'many faces' A sphere has only one face.
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What is a polyhedron with five faces and a square base called?
A polyhedron can have any number of faces 4 or higher.
What is a polyhedron with 4 faces called?
Tetrahedron
What is each surface of a polyhedron is called?
Face
What is a polyhedron with seven edges called?
Heptahedron
What is a 9 sided polyhedron called?
nonahedron
Why is a sphere not a polyhedron?
A sphere is not a polyhedron because it has no edges, no vertices and no flat faces The word 'polyhedron' means many faces.
What is a polyhedron with no bases?
A non polyhedron with 0 bases is a sphere.
Is a sphere a polyhedron?
No, a sphere is not a polyhedron.A polyhedron is a three-dimensional geometric figure whose sides are polygons.A regular polyhedron is a polyhedron whose faces are all congruent regular polygons.
Is a ball a polyhedron?
no its a sphere
Is a sphere a polyhedron or geometric solid?
A sphere is a geometric solid because it has 3 dimentions.
Is a cone a polyhedron?
NO a cone is not a polyhedron as it has a curved surface. Similarly sphere and cylinders r 3D but not polyhedrons
Is every polyhedron a solid?
No. By definition a polyhedron has to have faces (flat surfaces), edges, and vertices. A sphere, hemisphere, and a cylinder are all solids but are not polyhedra.
What is each polygon of a polyhedron called?
It is called a face of the polyhedron.
What is non-polyhedron?
A polyhedron has "many sides" (by definiton). The only 3-D shape which does not have "many sides" is a sphere (which technically only have one "side").
What kind of polyhedron is a official soccer ball?
It is a truncated icosahedron projected onto a sphere.
What is another name for a three dimensional shape?
a polyhedron * * * * * That is only if it is bounded by plane faces. A sphere, for example, is a three dimensional shape but is not a polyhedron: it is a solid shape.
What is a 20 sided polyhedron called?
A polyhedron with 20 faces is called an icosahedron.
