Using the Polytopes Package on the Wolfram Programming Cloud

Questions
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1

Needs[“Polytopes`”];
faces = First /@ First@Normal@PolyhedronData[“Dodecahedron”, “Faces”];
radius = InscribedRadius[Polygon[First[faces]]]

I’m trying to run this short program but it doesn’t work. Maybe I’m doing something wrong.

2

The Polytopes package does not support general polygons, only the ones listed in

In this case, radius should be just

In[4]:= InscribedRadius[Pentagon]

Out[4]= 1/(2 Sqrt[5 - 2 Sqrt[5]])