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What has 4 congruent equilateral triangles?
A tetrahedron, or triangular pyramid, has four congruent equilateral triangles as its faces. Each face is an equilateral triangle, and the tetrahedron is a three-dimensional shape with four vertices and six edges. This symmetry gives the tetrahedron its unique geometric properties.
What has 8 congruent equilateral triangles as faces and 6 vertices?
A solid with 8 faces is an octahedron.As all faces are the same it is a regular octahedron.As such it is one of the five platonic solids - the only five 3D objects that can be regular: the tetrahedron (4 equilateral triangles for the faces), the hexahedron (usually called a cube with 6 square faces), the octahedron (as asked, 8 equilateral triangles for the faces), dodecahedron (12 regular pentagons as faces), icosahedron (20 equilateral triangles as faces).
What 3d shape has 20 congruent equilateral triangles as faces?
An icosahedron.
What has 8 congruent equilatreral triangles as faces and 6 vertices?
An octahedron.
What is a special pyramid whose faces are all congruent equilateral triangles?
It is a regular triangle pyramids
8 congruent equilateral triangles as faces and 6 vertices?
octahedron
It has 20 congruent equilateral triangles as faces?
Icosahedron
It has 4 faces which are congruent triangles?
An equilateral triangular pyramid
What shape has 20 congruent equilateral triangles as faces?
An Icosahedron.
What types of polygons are the faces of a octahedron?
Equilateral triangles
What has 8 congruent equilateral triangles as faces and 6 vertices?
A solid with 8 faces is an octahedron.As all faces are the same it is a regular octahedron.As such it is one of the five platonic solids - the only five 3D objects that can be regular: the tetrahedron (4 equilateral triangles for the faces), the hexahedron (usually called a cube with 6 square faces), the octahedron (as asked, 8 equilateral triangles for the faces), dodecahedron (12 regular pentagons as faces), icosahedron (20 equilateral triangles as faces).
What 3d shape has 20 congruent equilateral triangles as faces?
An icosahedron.
What has 8 congruent equilateral triangles faces and has 6 verticieces?
An octahedron.
What has 8 congruent equilatreral triangles as faces and 6 vertices?
An octahedron.
What is a Polyhedron with eight sides that are triangles?
Octahedron- A polyhedron with eight faces. All faces of a regular octahedron are congruent, equilateral triangles.
How many congruent faces are on a triangular prism?
The minimum numbers of congruent faces are as follows: On an equilateral triangular prism: one pair of triangles On a right equilateral triangular prism: one pair of triangles and one triplet of rectangles.
What is the name of five platonic solids?
1~Tetrahedron *4 faces (made of equilateral triangles) *6 edges *5 vertices 2~Hexahedron (cube) *6 faces (made of squares) *12 edges *8 vertices 3~Octrahedron *8 faces (made up of equilateral triangles) *12 edges *6 vertices 4~Icosahedron *20 faces (made of equilateral triangles) *30 edges *12 verticies 5~Dodecahedron *12 faces (made of pentagons) *30 edges *20 vertices.
