Question

(iii)
4. Can a polyhedron 15 faces, 30 edges and 20 vertices?

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Answer 1

Answer:

look ,to a polyhedron to have a no. of faces edges or vertices it should be verified by the Euler's formula .hence

Step-by-step explanation:

f + v = e+2

15+20=30 +2

35 is not equal to 32

hence a polyhedron cannot have 15 faces 20 vertices and 30 edges.

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Answer 2

Answer:

yes

Step-by-step explanation:

by using euler's formula that is f+v–e =2