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How many regular polyhedrons are there?
5 tetrahedron, cube, octahedron, dodecahedron, and Icosahedron
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.
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.
Do polyhedrons have right angles?
not all
Do polyhedrons have to be closed figures?
this shape has the num 5
Are prisims polyhedrons or not polyhedrons?
A prism is a polyhedron.
How many regular polyhedrons are there?
5 tetrahedron, cube, octahedron, dodecahedron, and Icosahedron
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.
Why aren't cylinder cones and spheres polyhedrons?
polyhedrons need flat face and edges, corners which cylinder cones don't have.
Are polyhedrons symmetrical?
not all, but some
Do polyhedrons have right angles?
not all
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.
