Question

A solid has 20 faces and 12 vertices.Find the no. of edges
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Answer 1

Answer:

30 edges

Step-by-step explanation:

The Euler's formula states that F + V = E + 2

here Faces = 20 vertices = 12

so 20 + 12 = E + 2

32 - 2 = E

30 = E

No. of. edges = 30