A 27 sided shape is called a Icosikaiheptagon.
Its called an Icosakaiheptagon
it is called a seven sided shape in Canada
a one sided shape is called a henagon and a 2 sided shape is called a digon
Most mathematicians would call that a "27-gon," but you could also use icosikaiheptagon.
A 10-sided shape is called a decagon.
An five sided shape is called a Pentagon
a 69 sided shape is called a sexagon
A 90 sided shape is called Enneacontagon.
A 35 sided shape is called a triacontakaipentagon
A 150 sided shape is called heptaconta.
Hommasquabblelagagon