Question

what is Euler formula?​

Answer 1

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Euler's formula, Either of two important mathematical theorems of Leonhard Euler.

• 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.

A cube, for example, has 6 faces, 8 vertices, and 12 edges, and satisfies this formula.