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|Edges and vertices||13|
|Symmetry group||Dihedral (D13), order 2×13|
|Internal angle (degrees)||≈152.308°|
|Properties||Convex, cyclic, equilateral, isogonal, isotoxal|
Regular tridecagon[change | change source]
All sides of a regular tridecagon are the same length. Each corner is 147.27°. All corners added together equal 6840°.
Area[change | change source]
The amount of space a regular tridecagon takes up is
a is the length of one of its sides.