8
Eight
A pentagon has got 5 sides ,a hexagon has got 6 side's octagon has got 8 sides.
8 sides with 135 degree angles. Octo mean 8. An octagon has got 8 sides. On the lighter side... An octopus should ideally have 8 arms, but not all octopuses has got 8 arms.
octagon has eight sides
A octagon has 8 sides.
An octagon has 8 sides.
A rectangular octagon has eight sides
A regular octagon has 8 sides.
An octagon is composed of eight sides.
a octagon has 10 sides diccck
A hexagon has 6 sides. An octagon has 8 sides.