Tetrahedron with edges.JPG
Nova Division
en
Tetrahedron with edges, Octahedron, Images with inappropriate JPEG compression, Media lacking a description
commons
ja
辺を持つ四面体、八面体、JPEG圧縮が不適切な画像、メディアに記述がない
commons_translated
tetrahedron triangular pyramid octahedron regular octahedron regular tetrahedron