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In geometry, a 17 sided polygon is called a heptadecagon.
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The 17 interior angles add up to 2700 degrees
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The regular polygon of 17 sides is called the heptadecagon, or sometimes the heptakaidecagon.
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heptagon
* * * * *
No. That is a 7 sided figure. A 17 sided figure is a heptadecagon.
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A 17 sided polygon (called a heptadecagon).
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A 17 sided polygon is called a heptadecagon. It is also sometimes referred to as a heptakaidecagon
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A polygon with 17 sides is called a heptadecagon or heptakaidecagon.
(see related link for list)
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A heptadecagon. But I prefer 17-gon: people will know what that it without having to look it up.
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Well, if you think about it, a heptadecagon(I might have spelled it wrong), has 17 sides so it'll have 5 lines of symmetry! That's what I think, anyway.
Thank you ever so much!
Best regards,
Victoria Brooke
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Most mathematicians just use 17-gon. If you want to show off, use heptadecagon.
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A seventeen-sided polygon is called a "heptadecagon", from the Greek hepta- meaning 7, deka- meaning 10, and gonus meaning angle.
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None.
There is nothing in the question that requires the polygon to be regular and it is difficult to define a radius, in any meaningful way, for an irregular shape.
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henagon, digon, triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon, hendecagon, dodecagon, tridecagon, tetradecagon, pentadecagon, hexadecagon, heptadecagon, octadecagon, nonadecagon, icosagon
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The formal name is heptadecagon. Most people, including mathematicians, will use 17-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
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11 Undecagon, Hendecagon
12 Dodecagon
13 Tridecagon, Triskaidecagon
14 Tetradecagon, Tetrakaidecagon
15 Pentadecagon, Pentakaidecagon
16 Hexadecagon, Hexakaidecagon
17 Heptadecagon, Heptakaidecagon
18 Octadecagon, Octakaidecagon
19 Enneadecagon, Enneakaidecagon
20 Icosagon
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triangle 3 quadrangle 4 pentagon 5 hexagon 6 heptagon 7 octagon 8 nonagon 9decagon 10 hendecagon 11dodecagon12 tridecagon13 tetradecagon14 pentadecagon 15hexadecagon 16 heptadecagon 17 octadecagon 18 enneadecagon 19 icosagon20
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3-triangle
4-quadrilateral
5-pentagon
6-hexagon
7-heptagon
8-octagon
9-decagon
10-dodecagon
11-undecagon
13-tridecagon
14-tetradecagon
15-pentadecagon
16-hexadecagon
17-heptadecagon
18-octadecagon
19-enneadecagon
20-icosagon
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It is decided by the number of angles or sides
3: triangle
4: quadrangle
5: pentagon
6: Hexagon
7: Septagon
8: octagon
9: nonagon
10: Decagon11
Undecagon, Hendecagon13
Tridecagon, Triskaidecagon14
Tetradecagon, Tetrakaidecagon15
Pentadecagon, Pentakaidecagon16
Hexadecagon, Hexakaidecagon17
Heptadecagon, Heptakaidecagon18
Octadecagon, Octakaidecagon19
Enneadecagon, Enneakaidecagon20
Icosagon
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Hendecagon has 11 sides,dodecagon has 12 sides,triskaidecagon has 13 sides,tetradecagon has 14 sides,pentadecagon has 15 sides,hexadecagon has 16 sides,17 sides is heptadecagon,octadecagon have 18 sides,enneadecagon has 19 sides,20 sides is called as icosagon. The prefix of that 9 polygons is Greek. A polygone with 4 sides is called a quadrilateral.
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hendecagon
dodecagon
tridecagon
tetradecagon
pentadecagon
hexadecagon
heptadecagon
octadecagon
enneadecagon
icosagon
The name of a twenty-sided polygon is an icosagon. The definition of an icosagon is a twenty-sided polygon. You can find many lovely pictures online, none of which can be reproduced here.
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11 regular hendecagon
12 regular dodecagon
13 regular triskaidecagon
14 regular tetradecagon
15 regular pentadecagon
16 regular hexadecagon
17 regular heptadecagon
18 regular octadecagon
19 regular enneadecagon
20 regular icosagon
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9- Nonagon, Enneagon 11- Undecagon, Hendecagon 13- Tridecagon, Triskaidecagon 14- Tetradecagon, Tetrakaidecagon 15- Pentadecagon, Pentakaidecagon 16 -Hexadecagon, Hexakaidecagon 17 -Heptadecagon, Heptakaidecagon 18- Octadecagon, Octakaidecagon 19 -Enneadecagon, Enneakaidecagon 20- Icosagon 30 -Triacontagon 40 -Tetracontagon 50 -Pentacontagon 60 -Hexacontagon 70 -Heptacontagon 80 -Octacontagon 90- Enneacontagon 100 -Hectogon, Hecatontagon 1,000 -Chiliagon 10,000 -Myriagon
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Sides-------Name
13--------Tridecagon
14------Tetradecagon
15------Pentadecagon
16-------Hexadecagon
17------Heptadecagon
18-------Octadecagon
19------Enneadecagon
20---------Icosagon
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Sides Name
3 Triangle
4 Quadrilateral
5 Pentagon
6 Hexagon
7 Heptagon
8 Octagon
9 Nonagon
10 Decagon
11 Undecagon
12 Dodecagon
13 Tridecagon
14 Tetradecagon
15 Pentadecagon
16 Hexadecagon
17 Heptadecagon
18 Octadecagon
19 Enneadecagon
20 Icosagon
30 Triacontagon
40 Tetracontagon
50 Pentacontagon
60 Hexacontagon
70 Heptacontagon
80 Octacontagon
90 Enneacontagon
100 Hectogon
1,000 Chiliagon
10,000 Myriagon
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I'm assuming you're talking about the regular polygon with one more side than a hexagon... It's called a Heptagon, from the ancient Greek word "Hepta", meaning seven. Hope this helps.
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Shapes with 13 to 20 sides are known as polygons. Specifically, a 13-sided polygon is called a tridecagon, a 14-sided polygon is called a tetrakaidecagon, a 15-sided polygon is called a pentadecagon, a 16-sided polygon is called a hexadecagon, a 17-sided polygon is called a heptadecagon, an 18-sided polygon is called an octadecagon, a 19-sided polygon is called an enneadecagon, and a 20-sided polygon is called an icosagon.
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The name of a polygon with 25 sides is called a icosikaihenagon. The naming convention for polygons follows the Greek numerical prefixes, with "icosi-" denoting 20 and "henagon" representing a polygon with a specific number of sides. Therefore, an icosikaihenagon is a 25-sided polygon.
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Sides Name
n N-gon
3 Triangle
4 Quadrilateral
5 Pentagon
6 Hexagon
7 Heptagon
8 Octagon
10 Decagon
12 Dodecagon
Names for other polygons have been proposed.
Sides Name
9 Nonagon, Enneagon
11 Undecagon, Hendecagon
13 Tridecagon, Triskaidecagon
14 Tetradecagon, Tetrakaidecagon
15 Pentadecagon, Pentakaidecagon
16 Hexadecagon, Hexakaidecagon
17 Heptadecagon, Heptakaidecagon
18 Octadecagon, Octakaidecagon
19 Enneadecagon, Enneakaidecagon
20 Icosagon
30 Triacontagon
40 Tetracontagon
50 Pentacontagon
60 Hexacontagon
70 Heptacontagon
80 Octacontagon
90 Enneacontagon
100 Hectogon, Hecatontagon
1,000 Chiliagon
10,000 Myriagon
To construct a name, combine the prefix+suffix
Sides Prefix
20 Icosikai...
30 Triacontakai...
40 Tetracontakai...
50 Pentacontakai...
60 Hexacontakai...
70 Heptacontakai...
80 Octacontakai...
90 Enneacontakai...
+ Sides Suffix
+1 ...henagon
+2 ...digon
+3 ...trigon
+4 ...tetragon
+5 ...pentagon
+6 ...hexagon
+7 ...heptagon
+8 ...octagon
+9 ...enneagon
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henagon (or monogon) 1
digon 2
triangle (or trigon) 3
quadrilateral (or tetragon) 4
pentagon 5
hexagon 6
heptagon 7
octagon 8
enneagon (or nonagon) 9
decagon 10
hendecagon 11
dodecagon 12
tridecagon or triskaidecagon 13
tetradecagon or tetrakaidecagon 14
pentadecagon (or quindecagon) or pentakaidecagon 15
hexadecagon or hexakaidecagon 16
heptadecagon or heptakaidecagon 17
octadecagon or octakaidecagon 18
enneadecagon or enneakaidecagon or nonadecagon 19
icosagon 20
icosihenagon 21
triacontagon 30
tetracontagon 40
pentacontagon 50
hexacontagon 60
heptacontagon 70
octacontagon 80
enneacontagon 90
hectagon (also hectogon) 100
chiliagon 1000
myriagon 10,000
decemyriagon 100,000
the blablaagon 1000,0000,0000,0000,0000,...
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Oh honey, you want a list of nine-letter shape names? Let me serve you some sass with a side of geometry. We've got the triangle, rectangle, pentagon, hexagon, octagon, and nonagon. That's all she wrote, darling.
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A polygon is a closed 2-dimensional shape whose boundaries are straight lines. These are its sides and a polygon can have 3 or more sides - with no maximum number.
A 3 sided polygon is a triangle and a 4-sided one is called a quadrilateral. For 5 or more sides, the names are of the form n-gon where n is the Greek prefix for the number of sides. Since the number of sides is limitless, there are infinitely many polygons and so infinitely many names. It is obviously not possible to give a comprehensive list.
See the link below for guidance on the prefices. However, you should use prefices for polygons with more than 12 sides only if you want to be unhelpful, obfuscatory or pretentious. If you wish to be communicative and helpful to your reader, it is much better (and wholly acceptable) to refer to a 17-sided polygon as a 17-gon rather than heptadecagon (and that's still a relatively easy name to decipher).
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Here's a list!
1. Henagon or Monogon
2. Digon
3. Trigon or Triangle
4. Tetragon or Quadrilateral
5. Pentagon
6. Hexagon
7. Heptagon
8. Octagon
9. Nonagon or Enneagon
10. Decagon
11. Hendecagon
12. Dodecagon
13. Tridecagon
14. Tetradecagon
15. Pentadecagon
16. Hexadecagon
17. Heptadecagon
18. Octadecagon
19. Nonadecagon or Enneadecagon
20. Icosagon
21. Icosakaihenagon
22. Icosakaidigon
23. Icosakaitrigon
24. Icosakaitetragon
25. Icosakaipentagon
26. Icosakaihexagon
27. Icosakaiheptagon
28. Icosakaioctagon
29. Icosakainonagon or Icosakaienneagon
30. Triacontagon...
40. Tetracontagon...
50. Pentacontagon...
60. Hexacontagon...
70. Heptacontagon...
80. Octacontagon...
90. Nonacontagon or Enneacontagon...
100. Decacontagon or Hectagon...
1000. Chilliagon...
10000. Myriagon...
Hope this helps!
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