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These are very hard to spell but here you go:

17 faces: septadecahedron

18 faces: octadecahedron

19 faces: nonadecahedron

20 faces: icosahedron

21 faces: unicosahedron

22 faces: dicosahedron

29 faces: nonicosahedron

30 faces: tricontahedron

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Wiki User

13y ago

What else can I help you with?