Nonadecagon
It is a nonadecagon polygon of 19 sides
A nineteen sided polygon is called a Nonadecagon or an Enneadecagon.
A 19-sided polygon is an enneadecagon (also enneakaidecagon or nonadecagon).
I'm assuming you're talking about the regular polygon with one more side than a hexagon... It's called a Heptagon, from the ancient Greek word "Hepta", meaning seven. Hope this helps.
19
Nonadecagon
It is a nonadecagon polygon of 19 sides
It is enneadecagon (or enneakaidecagon or nonadecagon).
An enneadecagon (or enneakaidecagon or nonadecagon).
A nineteen sided polygon is called a Nonadecagon or an Enneadecagon.
A 19-sided polygon is an enneadecagon (also enneakaidecagon or nonadecagon).
henagon, digon, triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon, hendecagon, dodecagon, tridecagon, tetradecagon, pentadecagon, hexadecagon, heptadecagon, octadecagon, nonadecagon, icosagon
Polygon names Name Sides :henagon (or monogon) 1digon 2triangle (or trigon) 3quadrilateral (or tetragon) 4pentagon 5hexagon 6heptagon 7octagon 8enneagon (or nonagon) 9decagon 10hendecagon 11dodecagon 12tridecagon or triskaidecagon 13tetradecagon or tetrakaidecagon 14pentadecagon (or quindecagon) or pentakaidecagon 15 hexadecagon or hexakaidecagon 16heptadecagon or heptakaidecagon 17octadecagon or octakaidecagon 18enneadecagon or enneakaidecagon or nonadecagon 19icosagon 20icosihenagon 21triacontagon 30tetracontagon 40pentacontagon 50hexacontagon 60heptacontagon 70octacontagon 80enneacontagon 90hectagon (also hectogon) 100chiliagon 1000myriagon 10,000decemyriagon 100,000hecatommyriagon (or hekatommyriagon) 1,000,000pentadecagon (or quindecagon) or pentakaidecagon
I'm assuming you're talking about the regular polygon with one more side than a hexagon... It's called a Heptagon, from the ancient Greek word "Hepta", meaning seven. Hope this helps.
Polygon names Name Sides :henagon (or monogon) 1 sidesdigon 2 sidestriangle (or trigon) 3 sidesquadrilateral (or tetragon) 4 sidespentagon 5 sideshexagon 6heptagon 7octagon 8enneagon (or nonagon) 9decagon 10hendecagon 11dodecagon 12tridecagon or triskaidecagon 13tetradecagon or tetrakaidecagon 14pentagon or pentagagaon 15hexadecagon or hexakaidecagon 16heptadecagon or heptakaidecagon 17octadecagon or octakaidecagon 18enneadecagon or enneakaidecagon or nonadecagon 19icosagon 20icosihenagon 21triacontagon 30tetracontagon 40pentacontagon 50hexacontagon 60heptacontagon 70octacontagon 80enneacontagon 90hectagon (also hectogon) 100chiliagon 1000myriagon 10,000decemyriagon 100,000hecatommyriagon (or hekatommyriagon) 1,000,000pentadecagon (or quindecagon) or pentakaidecagon
henagon (or monogon) 1 digon 2 triangle (or trigon) 3 quadrilateral (or tetragon) 4 pentagon 5 hexagon 6 heptagon 7 octagon 8 enneagon (or nonagon) 9 decagon 10 hendecagon 11 dodecagon 12 tridecagon or triskaidecagon 13 tetradecagon or tetrakaidecagon 14 pentadecagon (or quindecagon) or pentakaidecagon 15 hexadecagon or hexakaidecagon 16 heptadecagon or heptakaidecagon 17 octadecagon or octakaidecagon 18 enneadecagon or enneakaidecagon or nonadecagon 19 icosagon 20 icosihenagon 21 triacontagon 30 tetracontagon 40 pentacontagon 50 hexacontagon 60 heptacontagon 70 octacontagon 80 enneacontagon 90 hectagon (also hectogon) 100 chiliagon 1000 myriagon 10,000 decemyriagon 100,000 the blablaagon 1000,0000,0000,0000,0000,...