Because the words we use are derived from a time when people used base twelve rather than base ten. Also the reason for "dozen" & "gross".
It goes back about 500 years or so.
It is a hendecahedron.
Hendecagon is 11. Dodecagon is 12.
Eleven and eleven thousandths.
It is 11,12,111
eleven thousand eleven hundred and eleven rupees is written as : Rs. 11,111.
Eleven identical children are called undecaplets.
An eleven sided shape is called a hendecagon.
It is called a hendecagon or, less often, an endecagon.
Finger Eleven has 5 albums, they have one called Tip, one called Finger Eleven, one called The Greyest of Blue Skies, one called Them Vs You Vs Me, and one called life Turns Electic
They are called hendecagons.
a shape with eleven sides is called a undecagon
A group of eleven people is often referred to as a "team" or "squad," especially in sports contexts. However, there isn't a specific term exclusively for a group of eleven; it can simply be called "a group of eleven." In some contexts, like in cricket, eleven players make up a team, but that is specific to the sport.
hendecagon
hendecagon
There were eleven
They are called endecagons or hendecagons.
Edward hopper