Tridecagon

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Tridecagon
Regular tridecagon.svg
Rank2
TypeRegular
SpaceSpherical
Bowers style acronymTad
Info
Coxeter diagramx13o
Schläfli symbol{13}
SymmetryI2(13), order 26
ArmyTad
Elements
Vertex figureDyad, length 2cos(π/13)
Edges13
Vertices13
Measures (edge length 1)
Circumradius1/(2sin(π/13)) ≈ 2.08929
Inradius1/(2tan(π/13)) ≈ 2.02858
Area13/(4tan(π/13)) ≈ 13.18577
Angle11π/13 ≈ 152.30769°
Central density1
Euler characteristic0
Related polytopes
DualTridecagon
ConjugatesSmall tridecagram, Tridecagram, Medial tridecagram, Great tridecagram, Grand tridecagram
Properties
ConvexYes
OrientableYes
NatureTame

The tridecagon, or tad, is a polygon with 13 sides. A regular tridecagon has equal sides and equal angles.

Stellations[edit | edit source]

External links[edit | edit source]