Question

plss answer it..
plss​

Answer 1

Answer :

Euler's formula -

$\begin{tabular}{|c|c|c|c|}\cline{1-4} Faces & ? & 5 & 20 \\ Vertices & 6 & ? & 12 \\ Edges & 12 & 9 & ? \cline{1-4}\end{tabular}$

Formula : V - E + F = 2

= 6 - 12 + F = 2

= F = 2 + 6

= F = 8

For question 2 :

V - E + F = 2

= V - 9 + 5 = 2

= V = 2 + 4

= V = 6

For question 3 :

V - E + F = 2

= 12 - E + 20 = 2

= - E = 2 - 32

= E = 30

Solutions

1. 8
2. 6
3. 30

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Answer 2

Answer:

ok

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I'm 10th student from Bangalore

actually I'm from Kolkata but here in Bangalore for my education nice meeting you