For a cube, F + V - E equals what, where F, V, E are faces, vertices, …

Question

For a cube, F + V - E equals what, where F, V, E are faces, vertices, edges?

Accepted Answer

B. 2

1. A cube has 6 faces, 8 vertices and 12 edges.
2. F + V - E = 6 + 8 - 12.
3. 6 + 8 = 14 and 14 - 12 = 2. This matches Euler's formula.
_Source: Math Is Fun, Vertices, Edges and Faces (mathsisfun.com/geometry/vertices-faces-edges.html), Euler's Formula_

Answer

4

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For a cube, F + V - E equals what, where F, V, E are faces, vertices, edges?

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