It has 8 sides.
perimeter of octagon is 128 cm= 8 * side side of the octagon=128/8=16 cm
All sides of an octagon are parallel to one other side. There are 4 sets of parallel sides.
I think you mean an octagon, in which case it has 8 sides.
If a regular octagon has a perimeter of 40cm, then each side is 5 cm.
An octagon has eight sides.
There are 8 equals side and angles in octagon.
8
8
8
Octagon has 8 sides as octopus has 8 arms.
8
It still has 8 sides the same as a regular octagon.
It has 8 sides.
8
As the "octa" at the beginning of the word would imply, an octagon is a shape with eight sides.
An octagonal shape has 8 sides