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Why aren't cylinders cones and spheres polyhedrons geometry?
polyhedrons need flat face and edges, corners which cylinder cones don't have.
What geometric shape are dice?
Polyhedrons.
What are polhedrons?
Polyhedrons are shapes with many faces
Some polyhedrons are neither prisms nor pyramids?
true
Cones and polyhedrons both have only one base?
false
Are prisims polyhedrons or not polyhedrons?
A prism is a polyhedron.
Why are three dimensional figures with a curved surface not polyhedrons?
Three-dimensional figures with a curved surface are not considered polyhedrons because polyhedrons are defined as solids with flat polygonal faces, straight edges, and vertices. Curved surfaces lack these flat faces and straight edges, which are essential characteristics of polyhedrons. Examples of shapes with curved surfaces include spheres and cylinders, which do not fit the definition of a polyhedron. Thus, the presence of curved surfaces distinguishes these figures from polyhedra.
All polyhedrons are prisms or pyramids.?
No. Polyhedrons are any shape with multiple sides. A triangle and a prism are just two different kinds of polyhedrons.
Is an empty box a polyhedron. Do polyhedrons have to be solid?
Yes, an empty box is and No, polyhedrons don't have to be.
Cylinders and cones are just polyhedrons with circular bases?
False. Cylinders and cones are not just polyhedrons with circular bases.
Are not polyhedrons check all that apply.?
Polyhedrons are defined as three-dimensional shapes with flat polygonal faces, straight edges, and vertices. Therefore, objects that do not meet these criteria, such as spheres, cylinders, and cones, are not considered polyhedrons. Additionally, shapes with curved surfaces or those that are not fully enclosed do not qualify as polyhedrons.
Why aren't cylinder cones and spheres polyhedrons?
polyhedrons need flat face and edges, corners which cylinder cones don't have.
Do polyhedrons have right angles?
not all
Are polyhedrons symmetrical?
not all, but some
What shapes are the lunar craters?
Polyhedrons
Which of the following are not polyhedrons?
Cone, cylinder.
Why aren't cylinders cones and spheres polyhedrons geometry?
polyhedrons need flat face and edges, corners which cylinder cones don't have.
