An antiprism can be used to construct an icosahedron: Let be an antiprism with regular pentagons as its bases and equilateral triangles as its lateral faces. To each base of , attach a pentagonal pyramid whose base is congruent to the bases of and whose lateral faces are equilateral triangles.
For any integer , the following are equivalent statements about an antiprism :
has a base that is an -gon;
|Date of creation||2013-03-22 16:57:02|
|Last modified on||2013-03-22 16:57:02|
|Last modified by||Wkbj79 (1863)|