Acronym  gyepip, J11 
Name 
gyroelongated pentagonal pyramid, diminished icosahedron 
© ©  
Vertex figure  [3^{5}], [3^{3},5] 
General of army  (is itself convex) 
Colonel of regiment  (is itself locally convex) 
Dihedral angles 

Confer 

External links 
This polyhedron is an edgefaceting of the icosahedron (ike).
Incidence matrix according to Dynkin symbol
oxo5oox&#xt → height(1,2) = sqrt[(5sqrt(5))/10] = 0.525731 height(2,3) = sqrt[(5+sqrt(5))/10] = 0.850651 (pt  pseudo {5}  dual {5}) o..5o..  1 * *  5 0 0 0  5 0 0 0 .o.5.o.  * 5 *  1 2 2 0  2 2 1 0 ..o5..o  * * 5  0 0 2 2  0 1 2 1 +++ oo.5oo.&#x  1 1 0  5 * * *  2 0 0 0 .x. ...  0 2 0  * 5 * *  1 1 0 0 .oo5.oo&#x  0 1 1  * * 10 *  0 1 1 0 ... ..x  0 0 2  * * * 5  0 0 1 1 +++ ox. ...&#x  1 2 0  2 1 0 0  5 * * * .xo ...&#x  0 2 1  0 1 2 0  * 5 * * ... .ox&#x  0 1 2  0 0 2 1  * * 5 * ..x5..o  0 0 5  0 0 0 5  * * * 1
© 20042021  top of page 