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shejladautovic

Answer:

8 Faces

Step-by-step explanation:

The Euler’s formula is:

V-E+F=2

Where V is number of vertices, E is number of edges and F is number of faces.

In our example, E=20, V=30, so we have:

30-20+F=2

10-F=2

F=8

Answer:

Step-by-step explanation:

the answer is 12, on jeeb  

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