Using Euler’s formula, complete the following table:
Write the number of faces, vertices and edges in
(i) an octagonal prism
(ii) decagonal pyramid.
If a polyhedron has 7 faces and 10 vertices, find the number of edges.
If a polyhedron has 8 faces and 8 vertices, find the number of edges.
Can a polyhedron have 15 faces, 30 edges and 20 vertices?