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Using Euler’s formula, find the unknown.Faces?520Vertices6?12Edges129? |
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Answer» By Euler’s formula, we have F + V − E = 2 (i) F + 6 − 12 = 2 F − 6 = 2 F = 8 (ii) 5 + V − 9 = 2 V − 4 = 2 V = 6 (iii) 20 + 12 − E = 2 32 − E = 2 E = 30 Thus, the table can be completed as
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