:name elongated pentagonal pyramid (J9) :number 53 :symbol @Y sub 5 @ :sfaces 11 5{3} 5{4} 1{5} :svertices 11 (@3 sup 5@) 5(@4 sup 2@.@5@) 5(@3 sup 2@.@4 sup 2@) :net 11 5 5 7 6 9 13 11 4 1 0 3 4 3 2 1 4 4 4 3 7 8 3 5 4 8 4 8 7 11 12 3 10 8 12 4 12 11 15 16 3 14 12 16 4 16 15 18 19 3 17 16 19 :solid 11 5 5 28 23 20 22 27 4 21 20 23 25 3 26 21 25 4 25 23 28 30 3 26 25 30 4 30 28 27 29 3 26 30 29 4 29 27 22 24 3 26 29 24 4 24 22 20 21 3 26 24 21 :hinges 10 1 3 2 1 2.2231544665792648 3 3 4 1 2.2231544665792648 3 0 1 2 1.884955592153876 5 3 6 1 2.2231544665792648 5 0 3 2 1.884955592153876 7 3 8 1 2.2231544665792648 7 0 5 2 1.884955592153876 9 3 10 1 2.2231544665792648 9 0 7 2 1.884955592153876 5 1 0 4 1.5707963267948966 :dih 4 5 3 3 2.4118649973628269 5 3 4 2.2231544665792648 5 4 4 1.884955592153876 5 4 5 1.5707963267948966 :vertices 31 20 -2.5[-5/2] .688190960235587[(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] -2.5[-5/2] 1.68819096023559[1+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] -2[-2] 2.55421636402003[(1+(1/2)*sqrt(3))+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] -1.5[-3/2] .688190960235587[(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] -1.5[-3/2] 1.68819096023559[1+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] -1[-1] 2.55421636402003[(1+(1/2)*sqrt(3))+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] -.80901699437494701[(-1/4+(-1/4)*sqrt(5))] -.262865556059567[(1/40)*sqrt(5)*sqrt(10+2*sqrt(5))+(-1/16+(-1/16)*sqrt(5))*sqrt(10-2*sqrt(5))] 0[0] -.5[-1/2] .688190960235587[(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] -.5[-1/2] 1.68819096023559[1+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] 0[0] -.85065080835204001[(-1/16+(-3/80)*sqrt(5))*sqrt(10+2*sqrt(5))-1/8*sqrt(10-2*sqrt(5))] 0[0] 0[0] 2.55421636402003[(1+(1/2)*sqrt(3))+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] .5[1/2] .688190960235587[(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] .5[1/2] 1.68819096023559[1+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] .80901699437494701[(1/4+(1/4)*sqrt(5))] -.262865556059567[(-1/16+(-3/80)*sqrt(5))*sqrt(10+2*sqrt(5))+1/8*sqrt(10-2*sqrt(5))] 0[0] 1[1] 2.55421636402003[(1+(1/2)*sqrt(3))+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] 1.5[3/2] .688190960235587[(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] 1.5[3/2] 1.68819096023559[1+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] 2[2] 2.55421636402003[(1+(1/2)*sqrt(3))+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] 2.5[5/2] .688190960235587[(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] 2.5[5/2] 1.68819096023559[1+(1/8+(1/40)*sqrt(5))*sqrt(10+2*sqrt(5))] 0[0] -2.8087410254439462 2.4220639037049106 2.9610054885885855 -2.5517867042801373 3.3766418707077966 2.8101566180330217 -2.3551397925589181 2.1651095825411025 2.1076471826230145 -2.1373195374516982 2.3580013544049733 3.6993070362230657 -2.0981854713951089 3.1196875495439884 1.9567983120674506 -1.8803652162878892 3.3125793214078593 3.5484581656675022 -1.6026237348008971 3.646203217244654 2.6475948210984764 -1.4033773253048661 1.9422405292057751 2.3185442925887399 -1.2687570042104314 2.061454200367838 3.3022441806422533 -1.1464230041410573 2.8968184962086612 2.1676954220331759 -1.0118026830466225 3.0160321673707239 3.1513953100866894 :EOF