Self-Intersecting Snub Quasi-Regular Duals

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Medial Inverted Pentagonal Hexecontahedron
Vertices:  84  (60[3] + 12[5] + 12[5])
Faces:60  (irregular pentagons)
Edges:150  (60 short + 30 medium + 60 long)
Symmetry:  Chiral Icosahedral  (I)
Dihedral Angle:  acos(-root[16*(x^4)+(x^3)−9*(x^2)−x+1])    ≈108.095719352 degrees
Dual Solid:  Inverted Snub Dodecadodecahedron
(values below based on unit-edge-length Inverted Snub Dodecadodecahedron)
Short Edge (60):  root[16*(x^8)−196*(x^7)+45*(x^6)    
    +191*(x^5)−181*(x^4)+16*(x^3)    
    +30*(x^2)−11*x+1]    
≈0.15071810706563083646
Medium Edge (30):  root[2*(x^4)−3*(x^3)+2*(x^2)+x−1]    ≈0.63577175967987711558
Long Edge (60):  root[16*(x^8)−196*(x^7)+45*(x^6)    
    +191*(x^5)−181*(x^4)+16*(x^3)    
    +30*(x^2)−11*x+1]    
≈11.937212238140952397
[5]-Vertex Radius (12):  sqrt(root[1048576*(x^8)−146472960*(x^7)    
    +602951680*(x^6)−786073600*(x^5)    
    +349600000*(x^4)−47312000*(x^3)    
    +1372000*(x^2)+60000*x+625])    
≈0.70937938347377875537
[3]-Vertex Radius (60):  sqrt(root[1024*(x^4)−2112*(x^3)    
    +1008*(x^2)−216*x+81])    
≈0.75916103564719898559
[5]-Vertex Radius (12):  sqrt(root[1048576*(x^8)−146472960*(x^7)    
    +602951680*(x^6)−786073600*(x^5)    
    +349600000*(x^4)−47312000*(x^3)    
    +1372000*(x^2)+60000*x+625])    
≈11.639760266695874527
Edge-scribed Radius:  sqrt(root[256*(x^4)−512*(x^3)    
    +240*(x^2)−28*x+1])    
≈0.68940122239760778779
Inscribed Radius:  sqrt(root[8192*(x^4)−12352*(x^3)    
    +3376*(x^2)−104*x+1])    
≈0.55807559402152982474