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  sarahwildman said:
How many sides do the following shapes have?

*Nonagon

*Hendecagon

*Dodecagon

*Enneadeagon

*Icosagon

P.S- How many did it without looking it up on internet??

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*Nonagon-9

*Hendecagon?

*Dodecagon-12

*Enneadeagon?

*Icosagon?

edit for: both were not looked up

Edited by solemnraven
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  Ploper said:
hate to be negative

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a decagon has 12, dodecagon can't be 12, to the best of my knowledge

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Decagon is ten.

As for the others, Icosagon is 20

Don't know about Enneadeagon.... but I though Ennead had some mythological conotations

A couple more:

Chiliogon

Myriagon

Henagon

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The third is actually impossible in euclidean space. The other two are just hard to draw.

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  sarahwildman said:
How many sides do the following shapes have?

*Nonagon

*Hendecagon

*Dodecagon

*Enneadeagon

*Icosagon

P.S- How many did it without looking it up on internet??

Wow, beside Nonagon, I need to refer to internet for the others. <_<

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Nonagon = 9

Hendecagon = 11

Dodecagon = 12

Enneadecagon (I believe is spelling error) = 19

Icosagon = 20

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  woon said:
Wow, beside Nonagon, I need to refer to internet for the others. <_<

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Nonagon = 9

Hendecagon = 11

Dodecagon = 12

Enneadecagon (I believe is spelling error) = 19

Icosagon = 20

Well done. All correct :D

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