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An octahedron.

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12y ago
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4y ago

I don’t know

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Anonymous

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4y ago

A cube

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Q: What 3D shape has eight faces that are equilateral triangles?
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Related questions

What shape has 20 congruent equilateral triangles as faces?

An Icosahedron.


What 3d shape has 20 congruent equilateral triangles as faces?

An icosahedron.


What is name of a shape with twenty congruent equilateral triangles as faces?

This shape is called a Icosahedron , I think.


What is shape has 4 triangular face's?

The tetrahedron has 4 equilateral triangles as its faces.


Shape with four faces?

A three-dimensional figure or shape, such as a tetrahedron, has four faces. These faces are equilateral triangles. A tetrahedron also has four vertices and 6 edges.


How many faces do 6 triangles have meeting at each vertex?

That shape is a unit equilateral triangular dipyramid, and it has 6 faces.


Eight equal sides and faces are triangles?

A three-dimensional shape with eight triangular faces is called an octahedron.


How many faces does octahedron has?

In geometry, an octahedron (plural: octahedra) is a polyhedron with eight faces. A regular octahedron is a Platonic solid composed of eight equilateral triangles, four of which meet at each vertex.It is a 3-dimensional cross polytope (shape).---Wikipedia


Suppose you have an equilateral triangle. The area of the triangle is exactly 1200 square centimetres. Now suppose you have twenty of those triangles. It's possible to assemble those twenty triangles?

An icosahedron is a shape with twenty equilateral triangles as faces.


An octahedron is made up of how many triangles?

Oh, dude, an octahedron is made up of 8 triangles. Yeah, like, imagine a stop sign, but in 3D and with triangles instead of sides. So, if you're ever in a geometry showdown and someone asks you how many triangles are in an octahedron, you can confidently say 8 and totally impress them.


What shape has 4 faces which are congrugent triangles?

A four faced figure is a tetrahedron. If they are all congruent triangles, they are all equilateral triangles and it is a regular tetrahedron - one of the 5 Platonic Solids.


Are all the sides of a octahedron equilateral triangles?

An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. The faces of octahedra can be triangles, quadrilaterals, pentagons, hexagons or heptagons. There are many examples of octahedra - a hexagonal prism, for example - which has no triangular face. At the other extreme, all the faces of a regular octahedron are equilateral triangles.