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Find: (i) face number when remaining sid...

Find: (i) face number when remaining sides 6, 12, 2 (ii)vertex when remaining sides 5,9,2 (iii)edge when remaining sides 20,12,2

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1536779 By euler’s formula, we have
F + V - E = 2
(i) F + 6 – 12 = 2
F = 2 + 6
F = 8
(ii) 5 + V – 9 = 2
V-4 = 2
V = 6
(iii) 20 + 12 – E = 2
32 – E = 2
E = 30
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