Question

find the number of edges of polyhendron having 20faces and12 vertices

Answer 1

Euler's Formula: Face + Vertices − Edges = 2

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Given that face = 20 and vertices = 12:

20 + 12 − Edges = 2

32 - Edges = 2

Edges = 32 - 2

Edges = 30

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Answer: There are 30 edges