Define Euler's relation between the number of faces, number of edges and number of vertices for various 3-dimensional figures.

Using Euler's formula,find the number of faces if the number of vertices is 6 and the number of edges is 12.

Write the number of faces and the number of edges of a square pyramid.

State, the number of faces, number of vertices and number of edges of: (a) pentagonal pyramid (b) a hexagonal prism

The Euler's relation among no. of faces, vertices and edges is_____

If f , e, and v represent the number of rectangular faces, number of edges and number of vertices repectively of a cuboid, then the values of f , e, and v respectively are _________.

The number of edges in the given figure is

The number of faces in the given figure is

The number of faces in the given figure is