noun
- plural of decagon; ten-sided polygons
Usage: geometry
Examples
- The students drew several decagons on their geometry worksheets.
- Regular decagons have ten equal sides and ten equal angles.
- The architect incorporated decagons into the building’s decorative pattern.
- We studied various polygons including triangles, squares, and decagons.
- The stop sign is an octagon, but decagons have two more sides.
- Each of the decagons in the design had different colors.