Every shape that is round does not have edges. A shape that has sharp points and has straight lines can have edges.
a nonagon a shape with nine edges is called a nonagon. just like pentagon and decagon a shape with nine edges is called a nonagon. just like pentagon and decagon
A pentagon
hexagon
Polyhedra.
Any shape with straight edges can have perpendicular edges.
a circleA pedantic edit:Also an ellipse or a wriggly loop.Any shape that has no straight edges is described as a curvilinear shape.
a nonagon a shape with nine edges is called a nonagon. just like pentagon and decagon a shape with nine edges is called a nonagon. just like pentagon and decagon
Every shape that is round does not have edges. A shape that has sharp points and has straight lines can have edges.
An ellipse is a shape that could be described as looking like 'a squashed circle.' With no straight edges, this shape is also called an oval.
Overall
A nonagon is composed of nine straight sides and nine edges (or angles).
a nonagon
An Octagon
octagon !
hexagon
hexagon