12
8
Faces=1 Edges=4 Vertices=4
it has 5 faces in 5 vertices and 8 edegs
A square has 4 sides and 4 vertices (corners).
A cylinder has no straight edges
It has 12 straight edges
a pyramid has 4 straight edges
all of its edges are straight
There are 12 straight edges in a cube. :)
There are three straight edges in a triangle.
There are no straight edges in a sphere, it is basically a 3-D circle