a polyhedron is any 3d figure with all flat polygons for sides(polygons have straight sides)
A prism is a polyhedron.
No. Polyhedrons are any shape with multiple sides. A triangle and a prism are just two different kinds of polyhedrons.
Yes, an empty box is and No, polyhedrons don't have to be.
False. Cylinders and cones are not just polyhedrons with circular bases.
polyhedrons need flat face and edges, corners which cylinder cones don't have.
not all, but some
Polyhedrons
not all
Cone, cylinder.
polyhedrons need flat face and edges, corners which cylinder cones don't have.
1
tetrahedrons