Six. Three in the base and three from there to the apex.
A triangularbased pyramid (tetrahedron) has 4 faces, 6 edges and 4 vertices
A triangular pyramid has 6 edges.
8 edges.
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.
A triangularbased pyramid (tetrahedron) has 4 faces, 6 edges and 4 vertices
a pyramid has 4 straight edges
A triangular pyramid has 6 edges.
8 edges.
6 edges
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.)
8 straight sides
8
16
a pyramid has 8 edges
8 edges * * * * * Not necessarily. A triangular pyramid has 6 edges. A heptagonal pyramid had 14 edges and so on.
16 edges- the edges of the base, and the edges leading to the point of the pyramid.