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What is a Platonic solid with 20 triangular faces?
Icosahedron.
What type of face found on a platonic solid?
A platonic solid is characterized by having identical faces that are regular polygons. There are five types of platonic solids: the tetrahedron (triangular faces), cube (square faces), octahedron (triangular faces), dodecahedron (pentagonal faces), and icosahedron (triangular faces). Each type has faces that are congruent and meet at the same angle, ensuring uniformity in their geometric structure.
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 regular 3d shapes are there?
There are five Platonic solids: Tetrahedron (or triangular pyramid): 4 triangular faces Cube: 6 square faces Octahedron: 8 triangular faces Dodecahedron: 12 pentagonal faces Icosahedron: 20 triangular faces. Although not a Platonic solid, some people consider a sphere to be a regular 3d shape.
Which figure has faces that are congruent to its bases?
A Platonic solid.A Platonic solid.A Platonic solid.A Platonic solid.
Are all pyramids platonic solids?
no
What is a type of face found on a platonic solid?
A type of face found on a platonic solid is a regular polygon. Platonic solids are three-dimensional shapes with faces that are congruent regular polygons, and each vertex has the same configuration of faces. For example, a cube has square faces, while a tetrahedron has triangular faces. These regular polygons ensure that the solids have symmetrical properties and are highly structured.
Why is a tetrahedron a platonic solid?
Because a tetrahedron is a triangular based pyramid that has 4 identical faces and 4 faces meet at all the vertices.
Is a cylinder a platonic solid?
No. All the faces of a Platonic solid are identical regular polygons.
A pyramid has how many faces and sides?
A rectangular pyramid has five faces. Sides are the same things as faces. A pyramid with a triangular base has 4 faces. This is the more common type of pyramid in mathematics, as it is a platonic solid.
What is a solid figure with 6 edges?
A tetrahedron is a solid figure with 6 edges. There's no such thing as solid edges. A tetrahedron is a triangular pyramid, with 4 vertices, 6 edges and 4 triangular faces. In a regular tetrahedron (the first Platonic solid) all triangles are equilateral.
How many Platonic Solids are there?
There are 5. They are the tetrahedron (4 triangular faces), the cube (6 square faces), the octahedron (8 triangular faces), the dodecahedron (12 pentagonal faces), and the icosahedron (20 triangular faces).
