There are four straight edges in a square.
All of them are parallel and congruent too.
8
A square pyramid has no curved edges; it consists of eight edges in total, which are all straight. There are four edges forming the base (the square) and four edges connecting the apex to each vertex of the base. Thus, the square pyramid is characterized by its straight edges and flat faces.
It has 12 straight edges
all of its edges are straight
There are three straight edges in a triangle.
8 straight sides
8
A flat (2D) shape triangle has 3 straight edges. A triangular pyramid has 6 straight edges. A square pyramid has 8 straight edges. (Note, some vertical edges have already been counted as you move from one face to the next.)
A cylinder has no straight edges
It has 12 straight edges
a pyramid has 4 straight edges
There are 12 straight edges in a cube. :)
all of its edges are straight
There are three straight edges in a triangle.
There are no straight edges in a sphere, it is basically a 3-D circle
all have straight edges
12 edges