Hexadecagon 

Regular hexadecagon
Regular hexadecagon
Edges and vertices 16
Schläfli symbol {16}
t{8}
Coxeter–Dynkin diagram Image:CDW_ring.pngImage:CDW_16.pngImage:CDW_dot.png
Image:CDW_ring.pngImage:CDW_8.pngImage:CDW_ring.png
Symmetry group Dihedral (D16)
Area
(with t=edge length)
4t^2 \cot \frac{\pi}{16}
 = 4t^2 (\sqrt{2}+1)(\sqrt{4-2\sqrt{2}}+1)
Internal angle
(degrees)
157.5 degrees

In mathematics, a hexadecagon (sometimes called a hexakaidecagon) is a polygon with 16 sides and 16 vertices.

A regular hexadecagon is constructible with a compass and straightedge.

Each angle of a regular hexadecagon is 157.5 degrees, and the total angle measure of any hexadecagon is 2520 degrees.

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