A triangular pyramid has 6 edges.
A triangular based pyramid has 6 edges and 4 vertices.
If you mean a square based pyramid then: there are 4 on the base, and 4 on the sides so there are 8 total.
Six. Three in the base and three from there to the apex.
6 edgesA triangular based pyramid has 8 edges
A triangular-based pyramid has six edges: three in the base triangle and three from there to the apex.
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 triangular pyramid.
A triangular based pyramid has 4 facxes, 4 vertices and 6 edges
Six edges.
It has six edges.
It has 6 edges.