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What else can I help you with?
Why do traffic cones have wide bases and narrow tips?
This is for stability.
Are two cylinders with the same volume are congruent?
Two cylinders with the same volume are not necessarily congruent. One could have a different diameter and length than the other, and still have the same volume.
Two similar cones have radii of 9 and 1 respectively What is the ratio of their volumes?
729:1
Two similar cones have a radii of 6 and 1 what is the ratio of their volumes?
6 to 1
Name the faces of the 7 sided polyhedron?
There are a number of possible 7-sided polyhedra. Three that come immediately to mind are: a hexagonal pyramid, a pentagonal prism, a "stretched" triangular pyramid (triangular base, rectangular sides, and then triangular faces meeting at an apex).
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 are the types of geometric solids?
Geometric solids can be classified into several types, including polyhedra and non-polyhedra. Polyhedra are three-dimensional shapes with flat polygonal faces, such as cubes, tetrahedra, and octahedra. Non-polyhedra include curved surfaces, such as cylinders, cones, and spheres. Additionally, solids can be categorized based on their properties, such as regular or irregular, convex or concave.
What shapes is not a polyhedron?
A shape that is not a polyhedron is a sphere. Unlike polyhedra, which are three-dimensional shapes with flat polygonal faces, a sphere has a curved surface with no edges or vertices. Other examples include cylinders and cones, which also possess curved surfaces and do not meet the criteria for polyhedra.
Why are cylinders and cones not considered to be a polyh?
Polyhedra are 3-dimensional shapes bounded by polygons. Polygons are flat [plane] shapes bounded by straight lines. So a polyhedron cannot have any curved faces.
Can polyhedra objects roll?
Strictly speaking, no. But, as the number of faces increases, polyhedra can approximate cylinders or spheres and so can "roll".
Cylinders and cones are just polyhedrons with circular bases?
False. Cylinders and cones are not just polyhedrons with circular bases.
What is the fomula of volume?
There is no universal formula for volume: it depends on the shape. There are formulae for the volumes of some shapes such as cuboids (including cubes), cones, ellipsoids (including spheres), regular polyhedra (including pyramids), prisms (including cylinders). But there are many more irregular shapes for which no formulae exist.
How are pyramids and cones different than prisms and cylinders?
Pyramids and cones have a pointed top (apex) while prisms and cylinders have flat tops. Pyramids and cones have a single base, while prisms have two parallel bases. Cones have a curved surface while pyramids have triangular faces.
Which three-dimensional figures have circular bases?
Cones, cylinders.
Why aren't cylinders and cones and spheres polygons?
polygons have faces and cylinders and cone and spheres only has bases not faces.
What 3 dimensional figure has a round base?
Cones, hemispheres, and cylinders have.
What is the similarity among spheres cones and cylinders?
A circular cross-section.
