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20 faceted (regular) polyhedron is a icosahedron - all facets have equal size. There are variations which have more specific names (where certain facets have irregular shapes) An interesting site to look at is polyhedra.org which shows 6 other variations of 20 faceted polyhedrons: 1. gyroelongated triangular cupola
2. parabiaugmented dodecahedron 3. metabiaugmented dodecahedron
4.triangular hebesphenorotunda
5.gyroelongated triangular cupola
6. elongated triangular orthobicupola
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What does a nine sided polygon look like?
polyhedron
How many edges does a polyhedron have?
That depends on the kind of polyhedron.There are five kinds of regular polyhedra (all edges of equal length).Tetrahedron (four-sided pyramid) has 6 edgesHexahedron (cube) has 12 edgesOctahedron (eight-sided solid) has 12 edgesDodecahedron (12-sided solid) has 30 edgesIcosahedron (20-sided solid) has 30 edgesIt is also possible to have a polyhedron that is not regular, with almost any number of sides and edges.
What do you call a polygon that has 20 sides?
icosahedron
What do you call a polyhedron with 10 triangular faces?
In general, any 10-sided polyhedron is called a decahedron. With 10 regular triangles for faces, you may have a pentagonal bipyramid.
What is a 65 sided shape called?
a polyhedron (if the shape is 3 dimensional) a polygon if it is a planar shape.
