Question

a polyhedron have 8 vertices and 12 edges . how many faces it have

Answer 1

formula- v+e=f+2
=8+12=f+2
=20=f+2
=f=20-2
=f=18
18 is your answer.....
hope it helps uh.....
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Answer 2

HEY DEAR,
YOUR ANSWER.
BY EULER FORMULA
=>edges+2=faces+vertices
so,
12+2=faces+8
14=faces+8
14-8=faces
6=>faces
So, DEAR friend a polyhedron which have 8vertices and 12 edges has 6 faces
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