It is a nonagon that is 9 sided polygon
icosikaienneagon
I guess 13 angle shape
Any one of the plain surfaces of a solid, three-dimensional shape. Also Called -- side
A 10 sided polygon is called a decagon (deca meaning 10).
it is called a seven sided shape in Canada
A shape's sides are called faces.
A shape that has 11 sides is called a hendecagon.
An octagon
icosikaienneagon
A nonagon
A nine sided shape is called a nonagon.
a line
icosakaitetragon
Interior angle
I guess 13 angle shape
A seven sided shape is called a heptagon or a septagon.......
An edge.