Wikipedia:Reference desk/Archives/Mathematics/2019 June 28

= June 28 =

Cubical Pyramid or Cubical Hyperpyramid?
What is the preferred name for the four dimensional polytope consisting of a Cube and 9th point with a different W coordinate? Cubical Pyramid or Cubical Hyperpyramid?
 * Cubic pyramid. --RDBury (talk) 01:39, 28 June 2019 (UTC)