hexagon
Every shape that is round does not have edges. A shape that has sharp points and has straight lines can have edges.
This shape is a cube.
A pentagon
Polyhedra.
A triangular pyramid has 6 edges.
hexagon
Every hexagon has.
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 flat (2D) shape triangle has 3 straight edges. A triangular pyramid has 6 straight edges. A square pyramid has 8 straight edges. (Note, some vertical edges have already been counted as you move from one face to the next.)
Every shape that is round does not have edges. A shape that has sharp points and has straight lines can have edges.
Overall
This shape is a cube.
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.
hexagon
An Octagon