Octagons have no perpendicular lines.
There are regular octagons, and irregular octagons.
There are 64 sides in eight octagons.
yes Yes octagons are 8 sided polygons
Palmer Brothers Octagons was created in 1857.
All octagons have 8 sides and 8 angles
All eight sided polygons are known as "octagons". Octagons that have all side lengths the same are known as "regular octagons".
no
Assuming regular octagons, squares.
Vertices don't have octagons but octagons have vertices. Assuming this is what you meant, 8.
9:25
Yes. It must have an obtuse angle.