For a square based pyramid
Faces = 5 (4 + 1(base)).
Edges = 8
Vertices = 5
For a triangular based pyramid, more correctly named as a 'tetrahedron;,
Faces = 4 ( 3 + 1(Base))
Edges = 6
Vertices = 4
NB When assessing solid objects, don't forget to 'add in ' the base.
Chat with our AI personalities
A pentagonal pyramid has 6 faces, 6 vertices and 10 edges.
square pyramid has 5 faces, 5 vertices and 8 edges
Octagonal pyramid: 9 faces 16 edges 9 vertices.
A decagonal based pyramid will have 11 faces, 11 vertices and 20 edges
A triangular based pyramid which is a tetrahedron has 4 faces, 6 edges and 4 vertices