Pentadecagon, Quindecagon, PentakaidecagonA polygon with fifteen sides can be called a pentadecagon.
The measure of each interior angle of a fifteen sided regular polygon, a pendedecagon, is 156o.
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
The name of a fifteen sided polygon is known to have two names : pentakaidecagon, pentadecagon John Irving Dr. Math
The interior angles of a fifteen sided polygon amount to 2340 degrees.
sexogon
Pentadecagon, Quindecagon, PentakaidecagonA polygon with fifteen sides can be called a pentadecagon.
The measure of each interior angle of a fifteen sided regular polygon, a pendedecagon, is 156o.
15
73.2
The interior angles of a 15 sided polygon sum to 2340 degrees
11
One billion-sided polygon = GIGAGON
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon