Ah, the Icosikaihenagon is a beautiful shape with 21 sides. Just imagine all those lovely angles and lines coming together to create something truly unique and special. Embrace the beauty of geometry and let your imagination soar as you explore the wonders of this delightful shape.
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An icosikaihenagon is a polygon with 21 sides. The prefix "icosi-" denotes twenty and the suffix "-henagon" refers to a polygon with a specified number of sides. The interior angles of an icosikaihenagon sum up to 3240 degrees, calculated using the formula (21-2) * 180.
Oh, dude, an Icosikaihenagon is a 21-sided polygon. Yeah, it's like a regular polygon, but with 21 sides. So, if you ever need to impress someone at a party with your knowledge of obscure shapes, you can casually drop that fun fact.
icosikaihenagon
Icosikaihenagon
You can either call them by n-gon for n sides (i.e. 21-gon) or combine a prefix and suffix (i.e. Icosikaihenagon). No. of No. of Sides Name Prefix Name Suffix Sides 20 Icosikai... ...henagon 1 30 Triacontakai... ...digon 2 40 Tetracontakai... ...trigon 3 50 Pentacontakai... ...tetragon 4 60 Hexacontakai... ...pentagon 5 70 Heptacontakai... ...hexagon 6 80 Octacontakai... ...heptagon 7 90 Enneacontakai... ...octagon 8 ...enneagon 9 source: http://www.pubquizhelp.com/sci/polygon.html
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Sides-------Name 13--------Tridecagon 14------Tetradecagon 15------Pentadecagon 16-------Hexadecagon 17------Heptadecagon 18-------Octadecagon 19------Enneadecagon 20---------Icosagon