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Tetrahedron,

Cube

Octahedron

Dodecahedron

Icosahedron

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Q: What are the five regular polyhedrons?
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Related questions

How many sphere regular polyhedrons are there?

1


How many regular polyhedrons are there?

5 tetrahedron, cube, octahedron, dodecahedron, and Icosahedron


Who discovered polyhedrons?

the concept of a regular polyhedron remained as developed by the ancient Greek mathematicians


What are some regular solid shapes?

A regular triangle is called an equilateral triangle. A regular quadrilateral is called a square. Did that help??? cone, sphere, cube, polyhedrons


Are prisims polyhedrons or not polyhedrons?

A prism is a polyhedron.


How many regular convex spherical polyhedrons exists?

None, since polyhedons cannot be spherical. A regular polyhedron must be convex, so that word is superfluous. There are 5 regular polyhedra - the Platonic solids.


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.


What has 2 sides that are congruent?

Many things have 2 sides that are congruent, including isoceles triangles, any regular polygons or polyhedrons, rectangles, etc.


What are two types of polyhedrons?

regular(5), (use 2d shapes) prisms , antiprisims, pyramid, dipyramid, deltohedron, gyrolongated dipyramid, wedge, (modified from regulars or others) truncated, compunds, regular mixes, rhombic


What was Plato contribution to the atomic theory?

One of the most intriguing concepts that caught the imagination of Plato around the time of 350 B.C. was the existence and uniqueness of the five regular solids, which are now known as the five "Platonic solids". It is not certain who first discovered these regular solids first, but many believe that it was spoke of as early as the Pythagoreans. However, sources including Euclid indicate that Theaetetus, a friend of Plato's, was the first to write the first complete account of these five shapes. Plato's theory ultimately constructs the basis for what is to be Book XIII of Euclid's Elements. Plato, in any case, was extremely impressed by these definitively regular solids, and later on in life was intrigued to write his theory of everything in relation to these five polyhedrons. (Devlin 115) The most intriguing aspect of these shapes to Plato at the time was that these were the only shapes that constituted perfect symmetry within a non-planar set of points. The names of these shapes are the hexahedron (cube), tetrahedron, octahedron, icosahedron and the dodecahedron. It is very clear that each of the sides of these polyhedrons must not only be a regular polygon, but must be equal to ever


Cylinders and cones are just polyhedrons with circular bases?

False. Cylinders and cones are not just polyhedrons with circular bases.