English Wikipedia - The Free Encycl...
Download this dictionary
Johnson solid
In
geometry
, a
Johnson solid
is a strictly
convex polyhedron
, which is not
uniform
(i.e., not a
Platonic solid
,
Archimedean solid
,
prism
or
antiprism
), and each face of which is a
regular polygon
. There is no requirement that each face must be the same polygon, or that the same polygons join around each vertex. An example of a Johnson solid is the square-based
pyramid
with
equilateral
sides (
J
1
); it has 1 square face and 4 triangular faces.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License