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Plural
icosahedra
1
a three-dimensional figure with twenty equilateral triangle faces, thirty edges, and twelve vertices
- The icosahedron is a Platonic solid, exhibiting symmetry and regularity in its faces, edges, and angles.
- All faces of the icosahedron are equilateral triangles, contributing to its geometric uniformity.
- The vertices of an icosahedron represent points where three edges meet, totaling twelve vertices.
- In geometry, the icosahedron is associated with the number 20, representing its twenty equilateral triangle faces.
- The regular icosahedron has been historically significant, featuring prominently in mathematical investigations and artistic representations.