William Eno
it was invented in 1976 by sir Morgan Harvey
A stop sign is octagonal in shape.
Ben Dover
A stop sign with thickness.
An octagonal prism
So that if the sign is unreadable due to snow/dirt, it can still be recognised by the shape alone.
I have two. Ones a stop sign, and the other is a lamp shade.
Stop signs are usually octagonal, so internal angles are 135°
The octagonal sign indicates a stop sign, which means drivers must come to a complete stop at the intersection before proceeding. This is important for road safety to prevent accidents and ensure smooth traffic flow.
It's an octagon. Look at a stop sign- they're octagonal.
I'm sure that it's not. It's a thick octagon.
British stop signs are octagonal to make them easily identifiable even when they are obscured by dirt or snow.