Enneadecagon

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More things to try:

• enneadecagon
• {{2,-1,1},{0,-2,1},{1,-2,0}}.{x,y,z}
• Cantor's Paradox

Cite this as:

Weisstein, Eric W. "Enneadecagon." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Enneadecagon.html

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