yes it has to have sides it is a 3-d shape so i would think don't pick that answer!
do u know your shapes
well if you do what is a nonagon , decagon, hexagon
well that's all i have for u today"i will be back" the terminator said and adios amigos
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They are the faces of the polyhedron.
No polyhedron has five sides as a pentagon and a hexagon has six sides
A polyhedron has "many sides" (by definiton). The only 3-D shape which does not have "many sides" is a sphere (which technically only have one "side").
A non polyhedron does not have these properties, maybe it is not closed, maybe one or more of the sides is a curved surface. In some branches of topology the sides of a polyhedron cannot intersect each other.http://wiki.answers.com/What_is_the_difference_between_a_polyhedron_and_a_non_polyhedron#ixzz185DDOyd9
Heptahedron.