this work, hereby publish it under the following license: English Hexagonal Pyramid Surface Area author name string: SG0039 Wikimedia username: SG0039...
le rhomboèdre C',C, est obtenu; c'est-à-dire un corps composé de deux pyramides e dont les quatre faces sont des triangles équilatéraux, et dont la partie...
is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer. This...
