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Polygon names Name Sides :
henagon (or monogon) 1 sides
digon 2 sides
triangle (or trigon) 3 sides
quadrilateral (or tetragon) 4 sides
pentagon 5 sides
hexagon 6
heptagon 7
octagon 8
enneagon (or nonagon) 9
decagon 10
hendecagon 11
dodecagon 12
tridecagon or triskaidecagon 13
tetradecagon or tetrakaidecagon 14
pentagon or pentagagaon 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
hecatommyriagon (or hekatommyriagon) 1,000,000
pentadecagon (or quindecagon) or pentakaidecagon
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What is a 15 sided 2d shape called?
In Geometry a 15 sided shape is called a pendedecagon polygon with 15 angles and sides
What is 15 2D sided shape called?
In Geometry a 15 sided shape is called a pendedecagon polygon with 15 angles and sides
What is the name of a 15 sided shape?
A 15 sided shape is called a Pentadecagon, or a Pentakaidecagon.
What is 15 sided 3D shape called?
icosahedron
What is a fourteen and fifteen sided shape called?
14 tetrakaideca 15 enneakaideca
