#### Answer

F=4
V=4
E=6
4+4=6+2
8=8

#### Work Step by Step

Count the faces, vertices, and edges in the figure. Then, apply Euler's equation (V+F=E+2).

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F=4
V=4
E=6
4+4=6+2
8=8

Count the faces, vertices, and edges in the figure. Then, apply Euler's equation (V+F=E+2).

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