noun
- a polygon with twelve sides and twelve angles
Usage: geometry
Examples
- The students were asked to draw a dodecagon for their geometry homework.
- A regular dodecagon has all sides and angles equal.
- The architect incorporated a dodecagon shape into the building’s design.
- Each interior angle of a regular dodecagon measures 150 degrees.
- The dodecagon was more complex to construct than the hexagon.
- She calculated the area of the dodecagon using the given formula.