Finding edges and vertices for non-regular polyhedra:

You can look at more polyhedra at polyhedra.org

Practice problems:

1. A polyhedron is made of 4 triangles, 3 squares and 1 hexagon. How many Faces, Edges and Vertices does it have?

2. A polyhedron is made of 4 triangles, 5 squares and 1 octagon. How many Faces, Edges and Vertices does it have?

3. A polyhedron is made of 4 triangles, 4 squares and 2 pentagons. How many Faces, Edges and Vertices does it have?

Answers