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Dodecagon

3:33

How to draw a dodecagon (12-sided polygon) inscribed in a given circle

2:15

Dodecagon Shape

1:37

Dodecagon Construction

2:45

How to find the individual measurement of an interior angle for a regular dodecagon

2:51

Constructing a regular dodecagon in a circumcircle

In geometry, a dodecagon or 12-gon is any twelve-sided polygon.
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    • Regular dodecagon 

    • Dodecagon construction 

    • Dissection 

    • Symmetry 

    • Occurrence 

    • Skew dodecagon 

    • Related figures 

    • Examples in use