Question

The relation
f+v=E+2 is called
а​

Answer 1

Answer:

Euler's formula

Step-by-step explanation:

Euler's formula, Either of two important mathematical theorems of Leonhard Euler. The first is a topological invariance (see topology) relating the number of faces, vertices, and edges of any polyhedron. It is written F + V = E + 2, where F is the number of faces, V the number of vertices, and E the number of edges.

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