The number of pentagons in C_{60} and trigons (triangles) in white phosphorus, respectively, are :

  • Option 1)

    20\: and\: 3

  • Option 2)

     12\: and\: 4

  • Option 3)

     12\: and\: \: 3

  • Option 4)

     20 \: and \: 4

Answers (1)
V Vakul

Number of pentagons in C_{60}=12

Number of triangles in white P=4


Option 1)

20\: and\: 3

Option 2)

 12\: and\: 4

Option 3)

 12\: and\: \: 3

Option 4)

 20 \: and \: 4

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