A Decagon has 10 sides....
It is any polygon with 10 sides.
It has four congruent sides.
A heptagon has seven sides.
Six
Eight sides.
it has 8 sides
It has 12 sides
5 are the sides it has
12 sides
Nine sides.
a cube has 6 sides
A Decagon has 10 sides....
4 sides in a rectangle
6
A decagon has 10 sides.
A pentagon has 5 sides