undecagon has 43 diagonals (answer by erwin handsome)
A undecagon has 44 diagonals. A dodecagon has 54 diagonals. An octagon has 20 diagonals. A heptagon has 14 diagonals.
There are 44 diagonals in an 11 sided undecagon
It is an undecagon which has 11 sides Check: 0.5*(112-33) = 44 diagonals
An undecagon has 11 sides.
An undecagon is an 11 sided polygon
a undecagon has eleven sides and angles.
There are 11 triangles in an undecagon. The number of sides of a polygon is the number of triangles it has.
ten
11 sides
An undecagon is an 11 sided shape and its interior angles add up to 1620 degrees
An undecagon has eleven sides. That means that it has more sides than a decagon and fewer sides than a dodecagon.