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What is a shape that has 20 sides?

The icosahedron is the shape that has 20 sides. The icosahedron also has five triangular faces that join together at each vertex.


What is the number of an icosahedron or the number of vertices of a dodecahedron?

An icosahedron has 20 faces, 30 edges, and 12 vertexes. 5 polygons meet at each vertex and each face has 3 vertexes (therefore made of triangles). A dodecahedron has 12 faces, 30 edges, and 20 vertexes. 3 polygons meet at each vertex and each face has 5 vertexes (therefore made of pentagons).


When cube one of the (five) Platonic solids. Name the other Platonic solids and describe the characteristics of each. How many faces does it have What shape are the faces How many faces come together?

Tetrahedron 3 triangles meet at each vertex 4 Faces 4 Vertices 6 Edges Cube 3 squares meet at each vertex 6 Faces 8 Vertices 12 Edges Octahedron 4 triangles meet at each vertex 8 Faces 6 Vertices 12 Edges Dodecahedron 3 pentagons meet at each vertex 12 Faces 20 Vertices 30 Edges Icosahedron 5 triangles meet at each vertex 20 Faces 12 Vertices 30 Edges


How faces at each vertex does a cuboid have?

A cuboid has 6 faces, with 3 faces meeting at each vertex.


How do I find the lateral area of an Icosahedron and does it have parallel faces?

You need to find the area of each of its faces and add them together. An icosahedron may or may not have parallel faces. For example, an icosahedron, in the form of a pyramid with a 19-gon base will have no parallel faces.


How many Identical faces of icosahedron?

An icosahedron has 20 identical triangular faces. Each face is an equilateral triangle, and the icosahedron is one of the five Platonic solids, characterized by its symmetrical properties and equal face shapes. Additionally, it has 12 vertices and 30 edges.


How many faces come together at each vertex of a cube?

3


How many faces come together at each vertex of cube?

Three.


How many faces come together at each vertex of a tetrahedron?

Three.


How many short isosceles triangles are needed to build one great Icosahedron?

According to some definitions an icosahedron is considered a Platonic solid so that each of its faces is an equilateral triangle. You would, therefore need three coplanar isosceles triangles to make each face of the icosahedron. Since there are 20 faces in an icosahedron, you would need 60 such triangles.


What is each platonic solid made of?

Each Platonic solid is composed of congruent regular polygons as its faces, with the same number of faces meeting at each vertex. There are five Platonic solids: the tetrahedron (4 triangular faces), cube (6 square faces), octahedron (8 triangular faces), dodecahedron (12 pentagonal faces), and icosahedron (20 triangular faces). These shapes are characterized by their symmetry and uniformity, making them fundamental in geometry.


How many faces are there in a tetrahedron?

Tetrahedron in geogmetry is composed of four triangular faces, three of which meet at each vertex.