Octahedron
01
八面体, オクタヘドロン
a geometric figure with eight triangular faces, twelve edges, and six vertices
例
The faces of an octahedron are all equilateral triangles, and each vertex is the meeting point of four triangles.
八面体の面はすべて正三角形であり、各頂点は4つの三角形の交点です。
