:name pentagonal antiprism :number 28 :symbol @S sub 5 @ :sfaces 12 10{3} 2{5} :svertices 10 10(@3 sup 3@.@5@) :net 12 5 5 12 7 6 9 13 5 5 10 11 8 4 3 0 1 2 3 2 1 3 3 2 3 5 3 5 3 7 3 5 7 10 3 10 7 12 3 10 12 14 3 14 12 15 3 14 15 16 3 16 15 17 :solid 12 5 5 26 22 18 21 25 5 20 24 27 23 19 3 23 21 19 3 19 21 18 3 19 18 20 3 20 18 22 3 20 22 24 3 24 22 26 3 24 26 27 3 27 26 25 3 27 25 23 3 23 25 21 :hinges 11 2 1 3 0 2.4118649973628269 3 2 4 0 2.4118649973628269 4 1 5 0 2.4118649973628269 5 2 6 0 2.4118649973628269 6 1 7 0 2.4118649973628269 7 2 8 0 2.4118649973628269 8 1 9 0 2.4118649973628269 9 2 10 0 2.4118649973628269 10 1 11 0 2.4118649973628269 0 0 7 1 1.7595068575784587 1 0 6 2 1.7595068575784587 :dih 2 10 3 3 2.4118649973628269 10 3 5 1.7595068575784587 :vertices 28 18 -.5[-1/2] .288675134595[(1/6)*sqrt(3)] 0[0] 0[0] -.57735026919[(-1/3)*sqrt(3)] 0[0] .5[1/2] .288675134595[(1/6)*sqrt(3)] 0[0] 1[1] -.57735026919[(-1/3)*sqrt(3)] 0[0] 1.19098300563[(7/4+(-1/4)*sqrt(5))] 1.23973165089[(1/6)*sqrt(3)+1/8*sqrt(10+2*sqrt(5))+(1/16+(1/16)*sqrt(5))*sqrt(10-2*sqrt(5))] 0[0] 1.5[3/2] .288675134595[(1/6)*sqrt(3)] 0[0] 1.69098300563[(9/4+(-1/4)*sqrt(5))] -1.52840678548[(-1/3)*sqrt(3)+(-3/16+(-1/16)*sqrt(5))*sqrt(10+2*sqrt(5))+1/8*sqrt(10-2*sqrt(5))] 0[0] 2[2] -.57735026919[(-1/3)*sqrt(3)] 0[0] 2[2] 1.82751690318[(1/6)*sqrt(3)+(3/16+(1/16)*sqrt(5))*sqrt(10+2*sqrt(5))+1/8*sqrt(10-2*sqrt(5))] 0[0] 2.5[5/2] -2.11619203778[(-1/3)*sqrt(3)+(-3/16+(-1/16)*sqrt(5))*sqrt(10+2*sqrt(5))-1/8*sqrt(10-2*sqrt(5))] 0[0] 2.5[5/2] .288675134595[(1/6)*sqrt(3)] 0[0] 2.80901699437[(9/4+(1/4)*sqrt(5))] 1.23973165089[(1/6)*sqrt(3)+(3/16+(1/16)*sqrt(5))*sqrt(10+2*sqrt(5))-1/8*sqrt(10-2*sqrt(5))] 0[0] 3[3] -.57735026919[(-1/3)*sqrt(3)] 0[0] 3.30901699437[(11/4+(1/4)*sqrt(5))] -1.52840678548[(-1/3)*sqrt(3)-1/8*sqrt(10+2*sqrt(5))+(-1/16+(-1/16)*sqrt(5))*sqrt(10-2*sqrt(5))] 0[0] 3.5[7/2] .288675134595[(1/6)*sqrt(3)] 0[0] 4[4] -.57735026919[(-1/3)*sqrt(3)] 0[0] 4.5[9/2] .288675134595[(1/6)*sqrt(3)] 0[0] 5[5] -.57735026919[(-1/3)*sqrt(3)] 0[0] -2.8090169943731587 .71400053877044434 -.85065080835163169 -2.8090169943735607 1.2397316508899666 9.6964276885547207e-13 -2.5000000000000001 .2886751345948026 1.0336835554181079e-12 -2.500000000000299 1.6650570550661967 -.8506508083517301 -2.0000000000000001 .12621528647824409 -.85065080835155764 -2.0000000000001122 1.827516903181566 9.3020209590566338e-13 -1.5 .28867513459480274 1.0337234540580553e-12 -1.5000000000005558 1.6650570550641054 -.85065080835171687 -1.1909830056251145 .71400053877080255 -.85065080835161035 -1.1909830056264397 1.2397316508899667 9.6973817864665079e-13 :EOF