Hendecagon (11) comes after decagon.(10)
The Hendecagon comes after.
The shape that follows a decagon, which has 10 sides, is called a hendecagon, which has 11 sides. The naming convention for polygons is based on Greek and Latin prefixes. After the hendecagon, you can find polygons like the dodecagon (12 sides) and tridecagon (13 sides).
;