6. Verify Euler’s formula for these solids.

    

Answers (1)

(ii) Euler formula F+V = E + 2.

So, Number of faces (F) = 9, Number of vertices (V)  = 9 and number of edges (E)  = 16.

Hence putting in the formula; we get,

9 + 9 = 16 + 2

18 = 18 hence, it satisfies the Euler formula.

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