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Cylinders and cones are just polyhedrons with circular bases?
False. Cylinders and cones are not just polyhedrons with circular bases.
Are polyhedrons symmetrical?
not all, but some
What shapes are polyhedrons?
Polyhedrons are three-dimensional shapes with flat faces, straight edges, and sharp corners, known as vertices. Examples of polyhedrons include cubes, pyramids, prisms, and dodecahedrons. These shapes have a closed surface and are made up of polygons, which are two-dimensional shapes with straight sides.
Why are cylinders and cones not considered to be polyhedrons?
Cylinders and cones are not considered polyhedrons because they do not have flat faces, which is a defining characteristic of polyhedrons. Polyhedrons are three-dimensional shapes made up of flat surfaces, while cylinders and cones have curved surfaces. Additionally, polyhedrons have straight edges where faces meet, whereas cylinders and cones have curved edges. Therefore, cylinders and cones are classified as curved surfaces rather than polyhedrons.
What is the collective name of a cube tetrahedron dodecahedron and a octahedron?
Polygons ( means many sides). They are called solids or polyhedrons; they exist in three dimensions and not two.
What are two possible types of polyhedrons that has one face that is a triangle?
triangular prism and a pyramid
One of the faces of a polyhedron is a triangle what are two possible types of polyhedrons thi might be?
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One of the faces of a polyhedron is a triangle what are two possible types of polyhedrons this might be?
hexagon, square
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.
What types of shape are solid shapes what is the name for it?
Polyhedrons such as pyramids and cuboids
Which two polyhedrons have a total of 13 vertices?
cube and cuboid
Are prisims polyhedrons or not polyhedrons?
A prism is a polyhedron.
Is all polyhedrons prism or pyramid?
Not all polyhedrons are prisms or pyramids. A polyhedron is defined as a three-dimensional shape with flat polygonal faces, straight edges, and vertices. While prisms have two parallel faces (bases) connected by rectangular lateral faces, and pyramids have a base and triangular faces that converge at a point, there are other types of polyhedrons, such as irregular polyhedra, that do not fit these definitions. Examples include shapes like the truncated tetrahedron or the dodecahedron, which do not qualify as either prisms or pyramids.
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.
What shape is a shape with 18 edges?
Two polyhedrons have 18 edges: truncated tetrahedron and hexagonal prism.
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.
