Using Euler’s formula find faces where vertices( V) = 3 and edges (E) =8​

1 thought on “Using Euler’s formula find faces where vertices( V) = 3 and edges (E) =8​”

1. Step-by-step explanation:

   Euler’s formula: F+V–E=2

   F+6–12=2

   F=2+12–6=8

   F=8

   (ii) Faces-5,vertices-?,edges-9

   Euler’s formula: F+V–E=2

   5+V–9=2

   V=2+9–5=6

   V= 6

   (iii) Faces-20,vertices-12,edges-?

   Euler’s formula: F+v–E=2

   20+12–E=2 ,

   E=20+12–2

   E=30

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