As with a cube, you do not truncate the dodecahedron by trimming off exactly one third of each end of each edge to locate the vertices of the corresponding Archimedean solid. The one-third trim works for regular tetrahedrons, octahedrons, and icosohedrons, but only because all their faces are equilateral triangles. For the dodecahedron the faces are pentagons and should be trimmed at each end by approximately 27.639%.
As with a cube, you do not truncate the dodecahedron by trimming off exactly one third of each end of each edge to locate the vertices of the corresponding Archimedean solid. The one-third trim works for regular tetrahedrons, octahedrons, and icosohedrons, but only because all their faces are equilateral triangles. For the dodecahedron the faces are pentagons and should be trimmed at each end by approximately 27.639%.
How to find that number?
What is the outside angle wehre the decagons meet?
10 sided polygon also called "decagon"
A 10 sided polygon! You mean decagon F---------------
Please stop swearing.
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Truncated megaminx