Question

if the number of face and vetices of a polyhedron sre 20 and 12 find the number of edges of the polyhedron

Answer 1

We know,
F + V − E = 2

Given that face and vetices are 20 and 12
So,
20 + 12 - E = 2
32 - E = 2
- E = 2 - 32
- E = - 30
E = 30

Answer 2

hope it helps :)
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