Question

verify Euler's formula reason for a square pyramid

Answer 1

A pyramid is a solid formed by a polygonal base whose vertices join to the same point - not coplanar with the base - called the apex of the pyramid. A pyramid with a quadrilateral base is also called quadrilateral, square if the base is square. ... A quadrilateral pyramid has 5 vertices, 8 edges and 5 faces.

Answer 2

Euler's formula is V-F+E equals to 2
5-8+5 is 2
So it is now verified