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An antiprism is a polyhedron consisting of two parallel copies of some polygon, connected by an alternating band of triangles.

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โˆ™ 2015-09-10 10:13:45
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Q: What is an antiprism?
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Related questions

What is a 12 faced 3D with 2 pentagons and 10 triangles?

A pentagonal antiprism.

What is the difference between a prism and an antiprism?

A prism is a polyhedron comprising two parallel polygons (bases) joined together by a set of quadrilaterals. In an antiprism, the two bases are twisted in respect of one another, and they are joined together by a series of triangles pointing in alternating direction.

What is a polygon that connects the bases of a polyhedron?

There is no special name. In a prism it would be a quadrilateral, in an antiprism, a triangle.

What two polyhedrons have a total of 20 edges?

pentagonal antiprism, pentagonal deltohedron(not deltahedron), decagonal pyramid, and many more.

What space figure has the octagon base?

There are infinitely many possible answers. Common ones are are octagonal-based pyramid, an octagonal prism, on octagonal antiprism.

What is the top and bottom of a 3 dimensional shape?

It depends on the shape. The top of a pyramid will be a point (the apex). The top (and bottom) of a prism or an antiprism will be congruent polygons.

Why is an octahedron an antiprism?

An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. All but one are not antiprisms: only the regular octahedron is.An antiprism is a solid shape comprising two identical parallel faces joined together with a "ring" of triangles alternately pointing in opposite directions. Consider a regular octahedron placed on one of its faces - a triangle. Its top face will be another identical triangle which points in the opposite direction. Between the top and bottom, there are six triangles, alternately pointing up and down. It therefore meets all the requirements of an antiprism.

What shapes has 8 verticles?

In 2-dimensions, an octagon. In 3-d it could be a heptagonal pyramid, a quadrilateral prism or quadrilateral antiprism. There are probably a few more shapes.

What is 26 sided shape called?

A 26-sided shape is called a rhombicuboctahedron. It is known by other names such as snub square antiprism, elongated square gyrobicupola, and 26-agon.

What is a prism with triangular faces called?

If it has only two triangles then it is a triangle based prism. If it is has two n-sided polygonal faces and n triangles then it is a n-polygonal antiprism.

What geometric solid has bases that are parallel and congruent?

It could be a prism, but need not be. A regular dodecahedron, for example, is not a prism but has parallel and congruent pentagonal bases. You can also have any antiprism (see link).

What solids have the shape of a rectangular?

Rectangular is an adjective, not a noun so there is no such thing as a rectangular. You an have a rectangular lamina, a rectangular pyramid, a rectangular prism, a rectangular antiprism and they all have different solid shapes.

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