Isosceles triangle
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In geometry, an isosceles triangle is a triangle that has two sides of equal length and two angles of equal measure. Sometimes it is specified as having exactly two sides of equal length, and sometime
Triakis octahedron
Tetrakis hexahedron
Pentakis dodecahedron
Triakis icosahedron
Catalan solid
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The Catalan solids are the dual polyhedra of Archimedean solids. The Archimedean solids are thirteen highly-symmetric polyhedra with regular faces and symmetric vertices. The faces of the Catalan soli
Isosceles triangle
…as a special case. Examples of isosceles triangles include the isosceles right triangle, the golden triangle, and the faces of bipyramids and certain Catalan solids. The mathematical study of isosceles triangles dates back to ancient Egyptian mathematics and Babylonian mathematics. Isosceles triangles have been…
Set of Catalan solids
Disdyakisdodecahedron