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!2 exterior angles that add up to 360 degrees

12 interior angles that add up to 1800 degrees

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13y ago

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What is the name of a tweleve sided shape?

The name of a tweleve sided shape is a dodecagon.


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The names of polygons with sides ranging from 21 to 30 are as follows: a 21-sided polygon is called a icosagon, a 22-sided polygon is a dicosagon, a 23-sided polygon is a tricosagon, a 24-sided polygon is a tetracosagon, a 25-sided polygon is a pentacosagon, a 26-sided polygon is a hexacosagon, a 27-sided polygon is a heptacosagon, a 28-sided polygon is an octacosagon, a 29-sided polygon is a nonacosagon, and a 30-sided polygon is a triacontagon.


A five-sided polygon is called?

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An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon


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What is a 20 sided polygon?

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