Question

Using Euler's formula ,find the number of edges if faces are 30 and vertices are 12.​

Answer 1

Answer:

By Eulers Formula-

F+V-E=2

30+12-E=2

42-E=2

-E=2-42

-E=-40

E=40

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Answer 2

Answer:

Euler's formula - F + V - E = 2

putting value of faces and vertices

30 + 12 - E = 2

42 - E = 2

E = 42-2

E = 40

Edges = 40