Because a rectangular prism has straight edges whereas a a cylinder has curved edges.
A cylinder has a pair of parallel edges.
It has 12 straight edges
all of its edges are straight
A cylinder has two edges one at the top and one at the bottom.
A cylinder has no straight edges
No a cylinder does not have any edges because it is straight!
Some people maintain that edges have to be straight. By that definition, a cylinder has no edges.
a cylinder has 0 edges
The cylinder has 2 edges.
A cylinder has two edges.
Because a rectangular prism has straight edges whereas a a cylinder has curved edges.
A cylinder has two edges.
A cylinder has a pair of parallel edges.
It has 12 straight edges
a pyramid has 4 straight edges
all of its edges are straight