a polyhedron has 30 edges and 20 vertices how many faces does a polyhedron have
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V+F=2+E
or,20+F=2+30
or,F=32-20
or,F=12
Therefore , no. of face is 12
or,20+F=2+30
or,F=32-20
or,F=12
Therefore , no. of face is 12
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its correct method and answer
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