Any shape with straight edges can have perpendicular edges.
A plane figure (2-dimensional) of 6 sides. Remember from Latin the prefix of the word indicates the number of sides. 'Poly = Many Tri = 3 Tetra/Quad = 4 Penta = 5 Hexa = 6 Hepta = 7 Octa = 8 Nona = 9 Deca = 10 The suffix 'gon' indicates that it is a plane 2- dimensional figure.
a circleA pedantic edit:Also an ellipse or a wriggly loop.Any shape that has no straight edges is described as a curvilinear shape.
Every shape that is round does not have edges. A shape that has sharp points and has straight lines can have edges.
Overall
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.
An Octagon
octagon !
hexagon
A pentagon
Polyhedra.
a decagon has ten staight edges.its like a bigger version of a hexagon(six)or a octagon(eight) (: