Q1 of 23 Page 1

Solve sub-questions:

Using Euler’s formula, find V, if E = 30 and F = 12.

Here Edges(E) = 30 and faces(F) = 12

⇒ F+V-E=2


⇒ 12+V-30=2


⇒ V-18 =2


⇒ V= 20


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