icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
The name of a 21 sided polygon is Icosihenagon.
An icosikaihena is a polygon with 21 sides
The name of a 21 sided polygon is Icosihenagon.
Icosikaihenagon
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
The sum of the exterior angles of any polygon, regardless of the number of sides, is always 360 degrees. Therefore, the sum of the exterior angles of a 21-sided polygon is 360 degrees.
The name of a 21 sided polygon is Icosihenagon.
Oh, dude, a 21-sided polygon is called a icosikaihenagon. Yeah, I know, it sounds like something you'd make up after a few too many drinks at a math convention. But hey, that's the beauty of geometry - it's like a party where all the shapes get together and have a good time.
180*(21-2) = 180*19 = 3420 degrees.
An icosikaihena is a polygon with 21 sides
The name of a 21 sided polygon is Icosihenagon.
The number of triangles formed by the diagonals of a 21 sided polygon is C(21,3) = 21x20x19/3x2x1 = 1,330.
Icosagon
Icosikaihenagon
21
icosihenagon