There are 11 triangles in an undecagon. The number of sides of a polygon is the number of triangles it has.
Hendecagon or undecagon
A polygon with 11 sides is called an "undecagon."
Endecagon or hendecagon.An undecagon has 11 sides
undecagon has 43 diagonals (answer by erwin handsome)
An undecagon has 11 sides.
a undecagon has eleven sides and angles.
An undecagon is an 11 sided polygon
11 sides
There are 11 triangles in an undecagon. The number of sides of a polygon is the number of triangles it has.
a shape with eleven sides is called a undecagon
An undecagon, or figure with 11 sides. has an interior angle of 147o
Hendecagon or undecagon
A polygon with 11 sides is an undecagon
11 sides and 11 angles
undecagon
Undecagon