REGULAR POLYGONS LISTED BY NO. OF SIDES

enagon or monogon {1}


Digon {2}


Triangle {3}


Quadrilaterals {4}


Pentagon {5}


Hexagon {6}


Heptagon {7}


Octagon {8}


Nonagon {9}


Decagon {10}


Hendecagon {11}


Dodecagon {12}


Tridecagon {13}


Tetradecagon {14}


Pentadecagon{15}


Hexadecagon{16}


Heptadecagon{17}


Octadecagon{18}


Enneadecagon{19}


Icosagon{20}