single word requests - What is the name of this octagonal shape?


Let's say that this image (imagining that it has eight sides):


Pyramid with octagonal base


is placed on top of this image (an octagonal prism):


Octagonal pyramid


What will the resulting shape be called?



Answer



It's a heptadecahedron - a 17 sided solid. One of 6,415,851,530,241 topologically distinct convex heptadecahedra.


You don't need to call it an irregular heptadecahedron, as all of them are.


Sorry it's not a very exciting name.


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