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12. Whatever number you say before '-gon' is referring to the number of sides in the shape. However, 12-gon (or 20-gon, or whatever) is not the official name of any polygon but is commonly used. the commonly used name is a do-decagon

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Q: How many sides does a 12- gon have?
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Related questions

How many sides on a 12-gon?

A 12-gon has 12 sides.


How many sides does a 12-gon have?

Dodeka. (in Greek)


A shape with more than 10 sides?

the answer to this question is simple. any shape with more than 10 sides with two exceptions is the number of sides then gon. example: 12 sides= 12-gon, 13 sides=13-gon , etc.


What are the names and number of sides of all the polygons?

3 sides= triangle 4 sides= quadrilateral 5 sides= pentagon 6 sides= hexagon 7 sides= heptagon 8 sides= octagon 9 sides= nonagon 10 sides= decagon 11 sides= hendecagon 12 sides= dodecagon 13 sides= tridecagon/13-gon 14 sides= tetradecagon/14-gon 15 sides= pentadecagon/15-gon 16 sides= hexadecagon/16-gon 17 sides= heptadecagon/17-gon 18 sides= octadecagon/18-gon 19 sides= enneadecagon/19-gon 20 sides= icosagon/20-gon 30 sides= triacontagon/30-gon 40 sides= tetracontagon/40-gon 50 sides= pentacontagon/50-gon 60 sides= hexacontagon/60-gon 70 sides= heptacontagon/70-gon 80 sides= octcontagon/80-gon 90 sides= nonacontagon/90-gon 100 sides= hectagon/100-gon 1,000 sides= chiliagon/1,000-gon 10,000 sides= myriagon/10,000-gon 100,000 sides= decimyriagon/100,000-gon 1,000,000 sides= hecatommyriagon/1,000,000-gon Since there are infinitely many polygons, it is impossible to list the names of all of them.


What polygon has more then fifteen sides?

A 16-gon. You only name polygons up to a dodecagon (12 sides), excluding the 11-gon. After that, they are named by their number of sides with the suffix "-gon". Ex: 16 sides: 16-gon.


How many sides does a 123-gon have?

In general an n-gon has n sides. Therefore, a 123-gon would have 123 sides.


How many sides does the no-gon?

"no" sides.


What is the name of a poly gon with 12 sides?

name of a polygon with 12 sides = dodecagon


Why 12 gon has 54 sides?

Your question is wrong because it has 12 sides and 54 diagonals


How many edges in a 100-gon pyramid?

How many sides does a 100-gon have


How many sides on an 18-gon?

There are 18 sides


How many sides does a 16-gon have?

16 sides!