Question

Using Euler’s formula , find the unknown.

Faces ? 5 20

Vertices 6 ? 12

Edges 12 9 ?​

Answer 1

Answer:

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Step-by-step explanation:

1) x+6-12 = 2

  x+6 = 2+12

  x = 14 - 6

  x = 8

Therefore, Faces = 8

2) 5+x-9 = 2

   5+x = 2+9

    x = 11-5 = 6

Therefore, Vertices = 6

3) 20+12-x = 2

   32-x = 2

   x = 32-2 = 30

Therefore, Edges = 30